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发明名称
钥匙(二)
摘要
申请公布号
CN300765692D
申请公布日期
2008.04.16
申请号
CN200730108032.4
申请日期
2007.05.21
申请人
北京赛德高科铁道电气科技有限责任公司
发明人
马 君;苏安社;周雁旻
分类号
08-07
主分类号
08-07
代理机构
北京三友知识产权代理有限公司
代理人
董惠石
主权项
地址
100176北京市经济技术开发区中和街14号
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