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发明名称
Typewriter and the like
摘要
申请公布号
US1800854(A)
申请公布日期
1931.04.14
申请号
US19270181542
申请日期
1927.04.06
申请人
BARR-MORSE CORPORATION
发明人
BARR JOHN H.
分类号
B41J35/00
主分类号
B41J35/00
代理机构
代理人
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