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发明名称
电话机座
摘要
申请公布号
CN3003646S
申请公布日期
1989.05.25
申请号
CN88301418.1
申请日期
1988.09.03
申请人
北方电信有限公司
发明人
埃德蒙·约翰·赫尔斯塔
分类号
14-01-T0110
主分类号
14-01-T0110
代理机构
中国专利代理有限公司
代理人
张东明
主权项
地址
加拿大魁北克省
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