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发明名称
Manufacture of alloys, in particular steel alloys
摘要
申请公布号
US2225424(A)
申请公布日期
1940.12.17
申请号
US19400328832
申请日期
1940.04.10
申请人
AMERICAN ELECTRO METAL CORPORATION
发明人
SCHWARZKOPF PAUL
分类号
B21C23/00
主分类号
B21C23/00
代理机构
代理人
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