Method for manufacture of single or multicompartment pipes,申请号US19630321083-传众专利搜索

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发明名称	Method for manufacture of single or multicompartment pipes
摘要
申请公布号	US3328868(A)	申请公布日期	1967.07.04
申请号	US19630321083	申请日期	1963.11.04
申请人	DRIAM S.A.	发明人	ECKHARDT VILEM
分类号	B21C37/08;B21C37/15	主分类号	B21C37/08
代理机构		代理人
主权项
地址

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