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经营范围
发明名称
Oxygen candle
摘要
申请公布号
GB9703222(D0)
申请公布日期
1997.04.09
申请号
GB19970003222
申请日期
1997.02.17
申请人
ARNOLD, BARRY N
发明人
分类号
A62B19/02;C01B13/02
主分类号
A62B19/02
代理机构
代理人
主权项
地址
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