Procédé d'emboutissage et dispositif pour sa mise en oeuvre,申请号FRD884771-传众专利搜索

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发明名称	Procédé d'emboutissage et dispositif pour sa mise en oeuvre
摘要
申请公布号	FR884771(A)	申请公布日期	1943.08.26
申请号	FRD884771	申请日期	1940.11.19
申请人	HELFEDA S. A.	发明人
分类号	B21D22/22	主分类号	B21D22/22
代理机构		代理人
主权项
地址

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