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CN109524759A
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A kind of 18 meters of antennas
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A kind of high radiation efficiency antenna
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A kind of clean type camera
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A kind of detection checking system of hardware products
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A kind of signal amplification antenna
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A kind of rotatable clamp system
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A kind of short-wave antenna in 1MHz to 8MHz frequency range with high radiant rate
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A kind of camera with cleaning function
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A kind of keyboard of composite structure
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A kind of gate wireless communication device
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A kind of novel radio makes a copy for electric energy measurement instrument automatically
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CN107976648A
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A kind of Electric control measuring instrument automatic connection test method
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CN108037353A
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A kind of portable electric energy measuring instrument
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CN108037354A
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A kind of high accuracy, intelligent, multifunctional electric energy meter
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