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发明名称
Non-reciprocal electric coupling device
摘要
申请公布号
US3038133(A)
申请公布日期
1962.06.05
申请号
US19570690384
申请日期
1957.10.15
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
VRIES GERRIT DE
分类号
H03H7/00
主分类号
H03H7/00
代理机构
代理人
主权项
地址
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