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发明名称
Fastener for typewriters
摘要
申请公布号
US2075021(A)
申请公布日期
1937.03.30
申请号
US19350020222
申请日期
1935.05.07
申请人
L. C. SMITH & CORONA TYPEWRITERS, INC.
发明人
COLON GLENN W.
分类号
B41J29/04
主分类号
B41J29/04
代理机构
代理人
主权项
地址
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