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经营范围
发明名称
Notching press
摘要
申请公布号
US2433117(A)
申请公布日期
1947.12.23
申请号
US19450628432
申请日期
1945.11.14
申请人
EDWARD HALLANDER
发明人
HALLANDER EDWARD
分类号
B21D28/22
主分类号
B21D28/22
代理机构
代理人
主权项
地址
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