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发明名称
TELEPHONE LINK MULTIPLEX CHANNELLING
摘要
申请公布号
GB9205108(D0)
申请公布日期
1992.04.22
申请号
GB19920005108
申请日期
1992.03.09
申请人
ACADEMY OF APPLIED SCIENCES;GREENBLATT RICHARD D
发明人
分类号
H04J3/16;H04M11/06
主分类号
H04J3/16
代理机构
代理人
主权项
地址
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