Obturateur à clapet,申请号FRD904318-传众专利搜索

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发明名称	Obturateur à clapet
摘要
申请公布号	FR904318(A)	申请公布日期	1945.11.02
申请号	FRD904318	申请日期	1944.05.17
申请人		发明人	GERDTS GUSTAV FRIEDRICH
分类号	F16K1/20	主分类号	F16K1/20
代理机构		代理人
主权项
地址

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