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摘要
图中有阴影线的部分表示该部分的材料是橡胶。
申请公布号
CN3422124D
申请公布日期
2005.01.26
申请号
CN200330133731.6
申请日期
2003.12.16
申请人
北京宝藏科技发展中心
发明人
蔡明
分类号
25-99
主分类号
25-99
代理机构
代理人
主权项
地址
100076 北京市大兴县西红门镇福星花园2号楼3门101室
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