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发明名称
Intermittent feed mechanism
摘要
申请公布号
US2019261(A)
申请公布日期
1935.10.29
申请号
US19330677035
申请日期
1933.06.22
申请人
THE BELL & HOWELL COMPANY
发明人
HOWELL ALBERT S.
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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