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经营范围
发明名称
Punch machine
摘要
申请公布号
US2458160(A)
申请公布日期
1949.01.04
申请号
US19460703410
申请日期
1946.10.15
申请人
GRAPPE MARCELLIN L
发明人
GRAPPE MARCELLIN L.
分类号
B21D28/24
主分类号
B21D28/24
代理机构
代理人
主权项
地址
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