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发明名称
Phonetic typewriting machine
摘要
申请公布号
US2246195(A)
申请公布日期
1941.06.17
申请号
US19380231478
申请日期
1938.09.24
申请人
LEE SWEENEY JOSEPH
发明人
SWEENEY JOSEPH LEE
分类号
B41J3/26
主分类号
B41J3/26
代理机构
代理人
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地址
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