Perfectionnements aux aciers chromés,申请号FRD747962-传众专利搜索

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发明名称	Perfectionnements aux aciers chromés
摘要
申请公布号	FR747962(A)	申请公布日期	1933.06.27
申请号	FRD747962	申请日期	1932.12.22
申请人	ELECTRO METALLURGICAL COMPANY	发明人
分类号	C22C38/18	主分类号	C22C38/18
代理机构		代理人
主权项
地址

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