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发明名称
Typewriting machine
摘要
申请公布号
US2349483(A)
申请公布日期
1944.05.23
申请号
US19400313429
申请日期
1940.01.11
申请人
FRANCOIS WILLHEIM
发明人
WILLHEIM FRANCOIS
分类号
B41J35/30
主分类号
B41J35/30
代理机构
代理人
主权项
地址
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