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发明名称
Interference suppression system
摘要
申请公布号
US2242330(A)
申请公布日期
1941.05.20
申请号
US19390308508
申请日期
1939.12.11
申请人
JOHNSON LABORATORIES, INC.
发明人
SCHAPER WILLIAM A.
分类号
H03D7/18
主分类号
H03D7/18
代理机构
代理人
主权项
地址
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