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CN1818678A
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Three-measuring range DC potential difference meter with fiver reading digits and sliding wire disk
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CN1818680A
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Two-measuring range DC potential difference meter
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CN1818676A
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Single-measuring range potential difference meter with five reading digits
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CN1991379A
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Four-range potentiometer utilizing branch line having four measuring plates
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CN1818674A
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Four-measuring range potential difference meter with four measurng disks and reversing branch
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CN1818671A
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Three-measuring range and five-reading DC potential difference meter
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CN1818677A
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Four measuring disk DC potential difference meter with four-measuring range conversions and reversing branch
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CN1818673A
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Potential difference meter with four measuring disks
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CN1818675A
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Two-measuring range potential difference meter by split branch
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CN1818679A
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Potential difference meter
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CN1793973A
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Direct current potential difference meter using conversion branch two measuring range conversion
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CN1793958A
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Potential difference meter having four measuring discs using inversion branch bimeasuring range conversion
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CN1811470A
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Three-measuring range DC potential difference meter with five's place reading utilizing, shunt branch
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CN1793980A
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Three measuring range portable potential difference meter using divided branch
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CN1793969A
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Bimeasuring range pitantial difference mater using divided branch having five measuring discs
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CN1793949A
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Three measuring range potential difference meter using conversion branch having four measuring discs
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CN1793954A
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Direct current potential diffenence meter having five measuring discs using divided branch three measuring range conversion
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CN1811468A
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Two-measuring range potential differencemeter with five's place reading utilizing shunt branch
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CN1793984A
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Three measuring range potential difference meter using converter branch having five digit reading
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CN1808143A
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Three-range switching DC potentiometer having four measurement disks and employing shunt branch
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