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发明名称
Pinless lap winder
摘要
申请公布号
US2968448(A)
申请公布日期
1961.01.17
申请号
US19570693053
申请日期
1957.10.29
申请人
DRUM DAVID A
发明人
DRUM DAVID A.
分类号
B65H18/10;B65H19/22
主分类号
B65H18/10
代理机构
代理人
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地址
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