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发明名称
Surveying instrument
摘要
申请公布号
US1875829(A)
申请公布日期
1932.09.06
申请号
US19290407999
申请日期
1929.11.18
申请人
LEW SUVERKROP
发明人
SUVERKROP LEW
分类号
G01C1/02
主分类号
G01C1/02
代理机构
代理人
主权项
地址
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