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发明名称
Reel and spindle mount therefor
摘要
申请公布号
US2055626(A)
申请公布日期
1936.09.29
申请号
US19340743247
申请日期
1934.09.08
申请人
THE BELL & HOWELL COMPANY
发明人
HOWELL ALBERT S.
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
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地址
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