Soupape renversée de retenue pour ventilation,申请号FRD926138-传众专利搜索

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发明名称	Soupape renversée de retenue pour ventilation
摘要
申请公布号	FR926138(A)	申请公布日期	1947.09.23
申请号	FRD926138	申请日期	1946.04.29
申请人		发明人	WAGER ROBERT HUDSON
分类号	F16K15/04	主分类号	F16K15/04
代理机构		代理人
主权项
地址

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