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发明名称
Production of wrought iron articles
摘要
申请公布号
US2012599(A)
申请公布日期
1935.08.27
申请号
US19330696777
申请日期
1933.11.06
申请人
CHARLES HART
发明人
CONWAY MARTIN J.
分类号
C21C3/00
主分类号
C21C3/00
代理机构
代理人
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