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发明名称
Measuring rule
摘要
申请公布号
US2992487(A)
申请公布日期
1961.07.18
申请号
US19570678499
申请日期
1957.08.16
申请人
MILLER OWEN A
发明人
MILLER OWEN A.
分类号
G01B3/10
主分类号
G01B3/10
代理机构
代理人
主权项
地址
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