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经营范围
发明名称
Improvements relating to carriages for typewriting machines
摘要
申请公布号
GB542419(A)
申请公布日期
1942.01.08
申请号
GB19400012308
申请日期
1940.07.29
申请人
ROYAL TYPEWRITER COMPANY, INC.
发明人
分类号
B41J11/22;B41J19/18
主分类号
B41J11/22
代理机构
代理人
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地址
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