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经营范围
发明名称
Auxiliary telephone device, particularly for subscriber stations and exchanges
摘要
申请公布号
CZ6150(U1)
申请公布日期
1997.08.13
申请号
CZ19970006537U
申请日期
1997.04.10
申请人
ODSTRCILIK MIROSLAV ING.
发明人
ODSTRCILIK MIROSLAV ING.
分类号
H04M1/64;(IPC1-7):H04M001/64
主分类号
H04M1/64
代理机构
代理人
主权项
地址
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