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发明名称
Improvements in or relating to typewriters
摘要
申请公布号
GB662732(A)
申请公布日期
1951.12.12
申请号
GB19480002936
申请日期
1948.01.31
申请人
ANSTALT RENOR
发明人
分类号
B41J3/36;B41J7/04
主分类号
B41J3/36
代理机构
代理人
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