Corps réfractaires poreux, notamment pour introduire des gaz ou des vapeurs dans un bain de métal en fusion,申请号FR19670125098-传众专利搜索

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发明名称	Corps réfractaires poreux, notamment pour introduire des gaz ou des vapeurs dans un bain de métal en fusion
摘要
申请公布号	FR1541453(A)	申请公布日期	1968.10.04
申请号	FR19670125098	申请日期	1967.10.19
申请人	DIDIER-WERKE A.G.	发明人
分类号	B22D1/00;C04B38/00;C21C7/04	主分类号	B22D1/00
代理机构		代理人
主权项
地址

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