Compteur de débit,申请号FRD819614-传众专利搜索

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发明名称	Compteur de débit
摘要
申请公布号	FR819614(A)	申请公布日期	1937.10.22
申请号	FRD819614	申请日期	1937.03.22
申请人		发明人	WALKER WILLIAM C.
分类号	G01F1/37	主分类号	G01F1/37
代理机构		代理人
主权项
地址

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