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经营范围
发明名称
SILICON STEEL PROCESS
摘要
申请公布号
US3438820(A)
申请公布日期
1969.04.15
申请号
USD3438820
申请日期
1965.04.02
申请人
DOMINION FOUNDRIES & STEEL LTD.
发明人
NORMAN P. GOSS;JAMES BLACK;WILLIAM J. STEWART
分类号
C22C33/00;C22C38/02;(IPC1-7):C21D7/14;C21D3/04
主分类号
C22C33/00
代理机构
代理人
主权项
地址
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