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发明名称
Coupling arrangement
摘要
申请公布号
US1898180(A)
申请公布日期
1933.02.21
申请号
US19270221091
申请日期
1927.09.21
申请人
RADIO CORPORATION
发明人
HANSELL CLARENCE W.
分类号
H03H7/38;H03H7/48;H04B3/40
主分类号
H03H7/38
代理机构
代理人
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地址
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