Production of ingots and castings of refractory metals,申请号GB19490021746-传众专利搜索

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发明名称	Production of ingots and castings of refractory metals
摘要
申请公布号	GB665715(A)	申请公布日期	1952.01.30
申请号	GB19490021746	申请日期	1949.08.22
申请人	BATTELLE MEMORIAL INSTITUTE	发明人
分类号	B22D11/11;C22B34/12	主分类号	B22D11/11
代理机构		代理人
主权项
地址

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