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发明名称
Typewriter ribbon
摘要
申请公布号
US2728439(A)
申请公布日期
1955.12.27
申请号
US19540452312
申请日期
1954.08.26
申请人
THE BUCKEYE RIBBON & CARBON COMPANY
发明人
MURPHY HAROLD P.;FRANK STANLEY J.
分类号
B41J31/04
主分类号
B41J31/04
代理机构
代理人
主权项
地址
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