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发明名称
EXPANSION PORT
摘要
申请公布号
GB8607740(D0)
申请公布日期
1986.04.30
申请号
GB19860007740
申请日期
1986.03.27
申请人
TRILLIUM TEL SYST INC
发明人
分类号
H04M3/00;H04M7/00;H04Q11/04;(IPC1-7):H04Q3/545
主分类号
H04M3/00
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代理人
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地址
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