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发明名称
楼宇对讲机(4)
摘要
左视图与右视图对称,省略左视图。
申请公布号
CN3111967D
申请公布日期
1999.06.02
申请号
CN98322938.4
申请日期
1998.07.03
申请人
深圳市定昌电子有限公司
发明人
蔡洪定
分类号
14-03-I0078
主分类号
14-03-I0078
代理机构
深圳市专利服务中心
代理人
郭伟刚
主权项
地址
518010广东省深圳市蔡屋围新七坊工业大厦2栋二楼
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