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发明名称
Computing register construction
摘要
申请公布号
US2178229(A)
申请公布日期
1939.10.31
申请号
US19360114313
申请日期
1936.12.05
申请人
NEPTUNE METER COMPANY
发明人
HAZARD CHARLES S.
分类号
B67D7/22
主分类号
B67D7/22
代理机构
代理人
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