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经营范围
发明名称
Bending machine
摘要
申请公布号
US2620849(A)
申请公布日期
1952.12.09
申请号
US19500173605
申请日期
1950.07.13
申请人
WALLACE SUPPLIES MANUFACTURING CO.
发明人
WITT EDWARD J. DE
分类号
B21D7/06
主分类号
B21D7/06
代理机构
代理人
主权项
地址
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