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发明名称
Mechanism for driving webs of material
摘要
申请公布号
US2071076(A)
申请公布日期
1937.02.16
申请号
US19320605772
申请日期
1932.04.16
申请人
NEWS PROJECTION CORPORATION
发明人
BORDE ROBERT C. LA;POTTER EVERETT C.
分类号
G03B21/134
主分类号
G03B21/134
代理机构
代理人
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地址
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