Dispositif obturateur, notamment pour conduites,申请号FRD1130544-传众专利搜索

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发明名称	Dispositif obturateur, notamment pour conduites
摘要
申请公布号	FR1130544(A)	申请公布日期	1957.02.06
申请号	FRD1130544	申请日期	1955.08.23
申请人	LE TRANSFORMATEUR	发明人
分类号	F16K1/226	主分类号	F16K1/226
代理机构		代理人
主权项
地址

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