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发明名称
复合支撑梁
摘要
省略其他视图。
申请公布号
CN3289252D
申请公布日期
2003.04.16
申请号
CN02340537.6
申请日期
2002.09.09
申请人
北京至柔科技发展有限公司
发明人
宋维宁
分类号
25-01
主分类号
25-01
代理机构
北京三友知识产权代理有限公司
代理人
党晓林
主权项
地址
100085北京市海淀区上地信息路2号创业园D栋705室
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