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发明名称
DRAFT TUBE AND AIR BUBBLE TOWER
摘要
A draft tube installed in a tower for storing solution of an air bubble tower and formed of a hollow tube, wherein a space is provided on the entire side peripheral surface thereof.
申请公布号
WO03023306(A1)
申请公布日期
2003.03.20
申请号
WO2002JP08784
申请日期
2002.08.30
申请人
KYOWA HAKKO KOGYO CO., LTD.;TANAKA, HISAO;HIDAKA, HIROMICHI;AZAKAMI, NORIYUKI;TAKAHASHI, YUICHI;FUKUDA, HIDEKI
发明人
TANAKA, HISAO;HIDAKA, HIROMICHI;AZAKAMI, NORIYUKI;TAKAHASHI, YUICHI;FUKUDA, HIDEKI
分类号
F28D7/02;F28D7/08;(IPC1-7):F28D1/047
主分类号
F28D7/02
代理机构
代理人
主权项
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