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发明名称
Contour level
摘要
申请公布号
US3377714(A)
申请公布日期
1968.04.16
申请号
US19650493965
申请日期
1965.10.08
申请人
VICTOR G. CARLSON
发明人
CARLSON VICTOR G.
分类号
A01B15/20;A01B69/02;G01C5/00
主分类号
A01B15/20
代理机构
代理人
主权项
地址
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