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发明名称
Dial for registers and the like
摘要
申请公布号
US2014531(A)
申请公布日期
1935.09.17
申请号
US19340713682
申请日期
1934.03.02
申请人
PAUL KNOPF
发明人
KNOPF PAUL
分类号
G01F15/06
主分类号
G01F15/06
代理机构
代理人
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