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发明名称
Type action for typewriters
摘要
申请公布号
US2700445(A)
申请公布日期
1955.01.25
申请号
US19520277744
申请日期
1952.03.21
申请人
COMMERCIAL CONTROLS CORPORATION
发明人
BLODGETT EDWIN O.
分类号
B41J7/30;B41J7/94
主分类号
B41J7/30
代理机构
代理人
主权项
地址
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