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发明名称
BANDBREITEN-REDUZIERUNGSSYSTEM
摘要
申请公布号
DE1949343(B2)
申请公布日期
1972.06.29
申请号
DE19691949343
申请日期
1969.09.30
申请人
发明人
分类号
H04B1/66;H04L25/49;H04N1/413;H04N1/44;(IPC1-7):H04N1/40
主分类号
H04B1/66
代理机构
代理人
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地址
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