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摘要
申请公布号
CN3124158D
申请公布日期
1999.10.13
申请号
CN99305738.1
申请日期
1999.04.08
申请人
张兆灵
发明人
张兆灵
分类号
19-08-P0374
主分类号
19-08-P0374
代理机构
北京市专利事务所
代理人
朱丽华
主权项
地址
100009北京市西城区毡子胡同7号
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