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发明名称
Angle measuring device
摘要
申请公布号
US2142124(A)
申请公布日期
1939.01.03
申请号
US19370170016
申请日期
1937.10.20
申请人
GRANDISON GARDNER
发明人
GARDNER GRANDISON
分类号
G01C1/10
主分类号
G01C1/10
代理机构
代理人
主权项
地址
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