Expanseur à galets,申请号FRD63227-传众专利搜索

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发明名称	Expanseur à galets
摘要
申请公布号	FR63227(E)	申请公布日期	1955.09.12
申请号	FRD63227	申请日期	1952.01.12
申请人	SOCIETE FRANCAISE DES CONSTRUCTIONS BABCOCK & WILCOX	发明人
分类号	B21D39/10	主分类号	B21D39/10
代理机构		代理人
主权项
地址

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