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发明名称
Duplicating device for typewriting machines
摘要
申请公布号
US1889657(A)
申请公布日期
1932.11.29
申请号
US19280323346
申请日期
1928.12.03
申请人
EDWIN A. GUINZBURG
发明人
HENRY BEULAH LOUISE
分类号
B41J35/22
主分类号
B41J35/22
代理机构
代理人
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