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发明名称
防护垫
摘要
单元后视图与主视图相同,省略单元后视图;
申请公布号
CN3066159D
申请公布日期
1997.10.15
申请号
CN96305821.5
申请日期
1996.05.24
申请人
美国3M公司
发明人
罗伯特·J·恩格贝格
分类号
24-04
主分类号
24-04
代理机构
上海专利商标事务所
代理人
吴明华
主权项
地址
美国明尼苏达州
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