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发明名称
Directional wattmeter
摘要
申请公布号
US2852741(A)
申请公布日期
1958.09.16
申请号
US19530344542
申请日期
1953.03.25
申请人
BIRD ELECTRONIC CORPORATION
发明人
BIRD JAMES R.;CALDERHEAD HENRY J.
分类号
G01R21/00
主分类号
G01R21/00
代理机构
代理人
主权项
地址
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