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发明名称
屋面通风器
摘要
省略左视图、右视图和后视图;仰视图不涉及设计要点,省略仰视图。
申请公布号
CN3372715D
申请公布日期
2004.06.09
申请号
CN03353115.3
申请日期
2003.06.25
申请人
李澜
发明人
李澜
分类号
25-02
主分类号
25-02
代理机构
北京安信方达知识产权代理有限公司
代理人
王继长;郑霞
主权项
地址
100025 北京市朝阳区甘露园南里一区30号楼542室
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