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经营范围
发明名称
Ferrous metal
摘要
申请公布号
US2100537(A)
申请公布日期
1937.11.30
申请号
US19350037811
申请日期
1935.08.26
申请人
CONWAY MARTIN J
发明人
CONWAY MARTIN J.
分类号
C22C33/02;C23C22/50
主分类号
C22C33/02
代理机构
代理人
主权项
地址
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