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发明名称
Process for manufacturing shear-resisting iron such as iron for die-casting nuts, iron for screws, and the like
摘要
申请公布号
US1860568(A)
申请公布日期
1932.05.31
申请号
US19290382280
申请日期
1929.07.30
申请人
FRIEDRICH BORGGRAFE
发明人
BORGGRAFE FRIEDRICH
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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