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经营范围
发明名称
Production of metal castings
摘要
申请公布号
US1946451(A)
申请公布日期
1934.02.06
申请号
US19320604818
申请日期
1932.04.12
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED;ENGLISH STEEL CORPORATION LIMITED
发明人
BAILEY RICHARD WILLIAM
分类号
B22D7/04
主分类号
B22D7/04
代理机构
代理人
主权项
地址
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