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发明名称
Key lever and type bar assemblies of typewriters and like machines
摘要
申请公布号
US2818957(A)
申请公布日期
1958.01.07
申请号
US19540432254
申请日期
1954.05.25
申请人
CHARLES BRACE EDWARD
发明人
BRACE EDWARD CHARLES
分类号
B41J7/02
主分类号
B41J7/02
代理机构
代理人
主权项
地址
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