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发明名称
Paper roll holding device
摘要
申请公布号
US2622814(A)
申请公布日期
1952.12.23
申请号
US19500182320
申请日期
1950.08.30
申请人
MARTIN A. BAUML
发明人
BENKE WILLIAM
分类号
B65H16/04
主分类号
B65H16/04
代理机构
代理人
主权项
地址
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