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发明名称
Sheet feeder and positioner for typewriters
摘要
申请公布号
US2227643(A)
申请公布日期
1941.01.07
申请号
US19390267049
申请日期
1939.04.10
申请人
AMERICAN SALES BOOK COMPANY, INC.
发明人
HAGEMAN LOUIS F.
分类号
B41J13/10
主分类号
B41J13/10
代理机构
代理人
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地址
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