Procédé de préparation des sables de fonderie,申请号FRD997921-传众专利搜索

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发明名称	Procédé de préparation des sables de fonderie
摘要
申请公布号	FR997921(A)	申请公布日期	1952.01.11
申请号	FRD997921	申请日期	1945.09.06
申请人		发明人	TOTOT PIERRE
分类号	B22C1/02	主分类号	B22C1/02
代理机构		代理人
主权项
地址

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