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经营范围
发明名称
Uniform impression typing mechanism
摘要
申请公布号
US2697502(A)
申请公布日期
1954.12.21
申请号
US19510261783
申请日期
1951.12.15
申请人
UNDERWOOD CORPORATION
发明人
BECKER FRED
分类号
B41J7/94
主分类号
B41J7/94
代理机构
代理人
主权项
地址
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