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发明名称
VENTILATOR WITHIN TUNNEL
摘要
申请公布号
JPS5277441(A)
申请公布日期
1977.06.29
申请号
JP19750153399
申请日期
1975.12.24
申请人
NOUBI BOUSAI KOUGIYOU KK
发明人
IGARASHI YOSHINORI;SUZUKI SHINICHI
分类号
E21F1/00;F24F7/06
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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