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发明名称
矿用警报器
摘要
申请公布号
CN3010875S
申请公布日期
1991.10.09
申请号
CN91300164.3
申请日期
1991.01.24
申请人
韩少杰
发明人
韩少杰
分类号
10-05
主分类号
10-05
代理机构
代理人
主权项
地址
510400广东省广州市三元里北站路七号广东省煤炭工业研究所
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