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发明名称
Measuring instrument
摘要
申请公布号
US1853134(A)
申请公布日期
1932.04.12
申请号
US19300423780
申请日期
1930.01.27
申请人
JOHN MISCHKER
发明人
MISCHKER JOHN
分类号
G01B3/18
主分类号
G01B3/18
代理机构
代理人
主权项
地址
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