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发明名称
AIR SUCTION TYPE AERATION DEVICE
摘要
申请公布号
JPH04131194(A)
申请公布日期
1992.05.01
申请号
JP19900254693
申请日期
1990.09.25
申请人
TSUCHIDA MASASHI
发明人
TSUCHIDA MASASHI
分类号
C02F3/20;B01F3/04;C02F3/22
主分类号
C02F3/20
代理机构
代理人
主权项
地址
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