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发明名称
SURFACE AERATION OF LIQUIDS
摘要
申请公布号
US3531215(A)
申请公布日期
1970.09.29
申请号
USD3531215
申请日期
1968.07.23
申请人
FRANK SANDERSON
发明人
FRANK SANDERSON
分类号
C02F3/14;C02F3/16;(IPC1-7):C02C1/32;B01F5/18
主分类号
C02F3/14
代理机构
代理人
主权项
地址
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