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发明名称
Die-cutting apparatus and method of producing same
摘要
申请公布号
US2703022(A)
申请公布日期
1955.03.01
申请号
US19530356173
申请日期
1953.05.20
申请人
JOHN SARNO AMEDEO
发明人
SARNO AMEDEO JOHN
分类号
B21D37/20
主分类号
B21D37/20
代理机构
代理人
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地址
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