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经营范围
发明名称
VENTILATOR FOR STAIRS
摘要
申请公布号
JPH06123464(A)
申请公布日期
1994.05.06
申请号
JP19920297639
申请日期
1992.10.09
申请人
NATL HOUSE IND CO LTD
发明人
YOKOYAMA KATSUMI;HOSHINO TETSUNORI;MORIMOTO TAIJI
分类号
E04B1/70;F24F7/10;(IPC1-7):F24F7/10
主分类号
E04B1/70
代理机构
代理人
主权项
地址
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