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经营范围
发明名称
Telephone exchange apparatus
摘要
申请公布号
GB9726930(D0)
申请公布日期
1998.02.18
申请号
GB19970026930
申请日期
1997.12.19
申请人
TOSHIBA, KABUSHIKI KAISHA
发明人
分类号
H04M1/57;H04M3/42;H04Q3/62
主分类号
H04M1/57
代理机构
代理人
主权项
地址
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