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发明名称
Attachment for presses
摘要
申请公布号
US2531253(A)
申请公布日期
1950.11.21
申请号
US19470721408
申请日期
1947.01.10
申请人
发明人
分类号
B65H29/12;B65H29/58
主分类号
B65H29/12
代理机构
代理人
主权项
地址
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