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发明名称
Surveying instrument
摘要
申请公布号
US2080790(A)
申请公布日期
1937.05.18
申请号
US19350056485
申请日期
1935.12.28
申请人
DENMAN SALMON NELSON
发明人
SALMON NELSON DENMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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