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经营范围
发明名称
SMOKE PREVENTING GAS MASK
摘要
申请公布号
JPS5914860(A)
申请公布日期
1984.01.25
申请号
JP19820125400
申请日期
1982.07.19
申请人
YOU BUNYOU
发明人
YOU BUNYOU
分类号
A62B17/04;A62B18/02;A62B23/04
主分类号
A62B17/04
代理机构
代理人
主权项
地址
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