Soupape de sûreté à grande levée pour chaudières à vapeur,申请号FRD881725-传众专利搜索

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发明名称	Soupape de sûreté à grande levée pour chaudières à vapeur
摘要
申请公布号	FR881725(A)	申请公布日期	1943.05.06
申请号	FRD881725	申请日期	1941.06.05
申请人		发明人	GERDTS GUSTAV FRIEDRICH
分类号	F16K17/08	主分类号	F16K17/08
代理机构		代理人
主权项
地址

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