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经营范围
发明名称
Improvements in or relating to the construction of roller platens for typewriters or like machines
摘要
申请公布号
GB475456(A)
申请公布日期
1937.11.19
申请号
GB19360035787
申请日期
1937.06.26
申请人
IMPERIAL TYPEWRITER COMPANY LIMITED;ARTHUR PATEMAN
发明人
分类号
B41J11/053
主分类号
B41J11/053
代理机构
代理人
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