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经营范围
发明名称
Cutting machine
摘要
申请公布号
US1903234(A)
申请公布日期
1933.03.28
申请号
US19300485448
申请日期
1930.09.30
申请人
GRAY CHARLES B
发明人
GRAY CHARLES B.
分类号
B21D28/00
主分类号
B21D28/00
代理机构
代理人
主权项
地址
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