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摘要
申请公布号
CN3092101D
申请公布日期
1998.12.02
申请号
CN97316289.9
申请日期
1997.09.22
申请人
曹延浩
发明人
曹延浩
分类号
10-02-W0218
主分类号
10-02-W0218
代理机构
中国专利代理(香港)有限公司
代理人
杨松龄
主权项
地址
香港北角英皇道26-36号
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