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经营范围
发明名称
Feeding mechanism
摘要
申请公布号
US2621041(A)
申请公布日期
1952.12.09
申请号
US19500163543
申请日期
1950.05.22
申请人
DICKERMAN HUBERT E
发明人
DICKERMAN HUBERT E.
分类号
B21D43/11
主分类号
B21D43/11
代理机构
代理人
主权项
地址
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