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发明名称
Surveying instrument
摘要
申请公布号
US1888011(A)
申请公布日期
1932.11.15
申请号
US19310543456
申请日期
1931.06.10
申请人
WILLIAM PILKINGTON
发明人
PILKINGTON WILLIAM
分类号
G01C1/00
主分类号
G01C1/00
代理机构
代理人
主权项
地址
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