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发明名称
DEVICE FOR BLOCKING GAS BY FIRE
摘要
申请公布号
JPS52134295(A)
申请公布日期
1977.11.10
申请号
JP19760050532
申请日期
1976.05.01
申请人
ISHIHARA JIYUNTAROU
发明人
ISHIHARA JIYUNTAROU
分类号
A62C2/04;A62C3/04
主分类号
A62C2/04
代理机构
代理人
主权项
地址
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