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发明名称
Paper-roll-winding mechanism
摘要
申请公布号
US1803043(A)
申请公布日期
1931.04.28
申请号
US19290356388
申请日期
1929.04.19
申请人
THE BAGLEY AND SEWALL COMPANY
发明人
VALENTINE CHARLES W.;HELIN ALFRED F.
分类号
B65H18/20
主分类号
B65H18/20
代理机构
代理人
主权项
地址
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