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经营范围
发明名称
VENTILATION SYSTEM
摘要
申请公布号
JPS53107142(A)
申请公布日期
1978.09.18
申请号
JP19770022016
申请日期
1977.02.28
申请人
OSAKA GAS CO LTD
发明人
AOYANAGI WATARU
分类号
F23N5/24;F24F7/007;F24F11/00
主分类号
F23N5/24
代理机构
代理人
主权项
地址
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