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经营范围
发明名称
Bridge for measuring electromagnetic wave energy
摘要
申请公布号
US2496541(A)
申请公布日期
1950.02.07
申请号
US19440531635
申请日期
1944.04.18
申请人
JOHNSON JR MONTGOMERY H
发明人
JR. MONTGOMERY H. JOHNSON,
分类号
G01R21/00;G01R21/04
主分类号
G01R21/00
代理机构
代理人
主权项
地址
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