Installation de noyautage pour tuyaux en fonte,申请号FRD672773-传众专利搜索

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发明名称	Installation de noyautage pour tuyaux en fonte
摘要
申请公布号	FR672773(A)	申请公布日期	1930.01.07
申请号	FRD672773	申请日期	1929.04.06
申请人		发明人	ARDELT ROBERT
分类号	B22C13/10	主分类号	B22C13/10
代理机构		代理人
主权项
地址

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