Procédé de fabrication de tubes coudés,申请号FRD721906-传众专利搜索

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发明名称	Procédé de fabrication de tubes coudés
摘要
申请公布号	FR721906(A)	申请公布日期	1932.03.09
申请号	FRD721906	申请日期	1931.08.24
申请人		发明人	KOSSOWSKI WACLAW VON
分类号	B21D9/14	主分类号	B21D9/14
代理机构		代理人
主权项
地址

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