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发明名称
旋转楼梯(4)
摘要
申请公布号
CN300921584D
申请公布日期
2009.05.06
申请号
CN200830105918.8
申请日期
2008.04.07
申请人
深圳市燕加隆实业发展有限公司
发明人
杜 飞;龙 湖
分类号
25-04
主分类号
25-04
代理机构
深圳市港湾知识产权代理有限公司
代理人
冯达猷
主权项
地址
518003广东省深圳市罗湖区文锦路锦绣大厦A座3楼
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