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发明名称
Typewriter paper guide
摘要
申请公布号
US2434866(A)
申请公布日期
1948.01.20
申请号
US19440564015
申请日期
1944.11.18
申请人
BENJAMIN RUBIN
发明人
RUBIN BENJAMIN
分类号
B41J13/14
主分类号
B41J13/14
代理机构
代理人
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