Tuyau en grès cérame à paroi épaisse et de grand diamètre,申请号FR19660050900-传众专利搜索

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发明名称	Tuyau en grès cérame à paroi épaisse et de grand diamètre
摘要
申请公布号	FR1469973(A)	申请公布日期	1967.02.17
申请号	FR19660050900	申请日期	1966.02.24
申请人	FETOK G. M. B. H.	发明人
分类号	F16L9/00;F16L9/10;F16L9/18	主分类号	F16L9/00
代理机构		代理人
主权项
地址

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