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发明名称
防护垫
摘要
俯视图与仰视图对称,省略俯视图;
申请公布号
CN3058659D
申请公布日期
1997.06.04
申请号
CN96305820.7
申请日期
1996.05.21
申请人
美国3M公司
发明人
迈克尔·S·伯杰
分类号
05-06-P0281
主分类号
05-06-P0281
代理机构
上海专利商标事务所
代理人
胡晓萍
主权项
地址
美国明尼苏达州
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