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发明名称
Electrical sensing apparatus
摘要
申请公布号
US2883538(A)
申请公布日期
1959.04.21
申请号
US19550481146
申请日期
1955.01.11
申请人
ELECTRO PRODUCTS LABORATORIES, INC.
发明人
ELAM DAVID L.
分类号
G01V3/10
主分类号
G01V3/10
代理机构
代理人
主权项
地址
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