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经营范围
发明名称
Photoelectric gauge employing a plurality of gratings
摘要
申请公布号
US3218911(A)
申请公布日期
1965.11.23
申请号
US19550520086
申请日期
1955.07.05
申请人
NORTH AMERICAN AVIATION, INC.
发明人
BOWER JOHN L.;ABBOTT WILTON R.
分类号
G01D5/38
主分类号
G01D5/38
代理机构
代理人
主权项
地址
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