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发明名称
Clinometer
摘要
申请公布号
US1851886(A)
申请公布日期
1932.03.29
申请号
US19300450514
申请日期
1930.05.07
申请人
JOHN AVERY
发明人
AVERY JOHN
分类号
G01C7/04
主分类号
G01C7/04
代理机构
代理人
主权项
地址
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