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PL289538A1
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Control unit for use in controlling operation of artificial hearth chambers
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EP0315768A2
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Output circuit of a stimulator
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PL257107A1
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Hnad-tool for chamfering sharp edges
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PL256831A2
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Tachometer arrangement for measuring hearth action rate
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PL254727A1
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Metering disc guard in particular for medical coagulonic meters
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PL254143A1
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Universal esophageal electrode for oriented electric stimulation of heart
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PL247116A1
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Three-position valve
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PL241322A1
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Universal casing of electronic apparatus and devices with video unit
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PL238429A1
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Electrode for electric cardiac pacing purposes
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PL231386A1
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Esophageal electrode
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