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发明名称
Mechanical tally
摘要
申请公布号
US2801054(A)
申请公布日期
1957.07.30
申请号
US19540404445
申请日期
1954.01.18
申请人
BACH ELMER T
发明人
BACH ELMER T.
分类号
A63B71/06
主分类号
A63B71/06
代理机构
代理人
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