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NOVELTY IN BIOPSY VALVE CAP HOLE EMBODIMENT
NOVELTY IN BIOPSY VALVE CAP HOLE EMBODIMENT
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机译:活瓣阀帽孔设计的新颖性
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摘要
Invention relates to a geometry having influence of making difficult the opening of the apparatus called biopsy valve and the valve cap of the said valve by means of internal pressure during use, located in section where forceps has entrance on the endoscopy device used in biopsy operation.
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