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发明名称
Type bar impact control
摘要
申请公布号
US2750022(A)
申请公布日期
1956.06.12
申请号
US19540463432
申请日期
1954.10.20
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
LONG WILLIAM J.
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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