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发明名称
VORTEX AIR CURRENT-GENERATING DEVICE
摘要
申请公布号
JPH1113399(A)
申请公布日期
1999.01.19
申请号
JP19970180370
申请日期
1997.06.20
申请人
BIICOM:KK
发明人
OKI SETSUO;SHINTANI KAZUYUKI
分类号
E21F5/20;F24F7/007;(IPC1-7):E21F5/20
主分类号
E21F5/20
代理机构
代理人
主权项
地址
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