Soupape à tare constante,申请号FRD837045-传众专利搜索

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发明名称	Soupape à tare constante
摘要
申请公布号	FR837045(A)	申请公布日期	1939.02.01
申请号	FRD837045	申请日期	1937.10.11
申请人	OLAER PATENT COMPANY	发明人
分类号	F16K17/04	主分类号	F16K17/04
代理机构		代理人
主权项
地址

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