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发明名称
UNDERWATER AERATION DEVICE
摘要
申请公布号
JPH06190393(A)
申请公布日期
1994.07.12
申请号
JP19920345837
申请日期
1992.12.25
申请人
SUMITOMO HEAVY IND LTD
发明人
AOI TORU;MOTOMURA SHOKO
分类号
C02F3/22;B01F3/04;(IPC1-7):C02F3/22
主分类号
C02F3/22
代理机构
代理人
主权项
地址
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