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APPARATUS FOR LIQUID AERATION
US 3,512,762 A
Filed
: 08/11/1967
Issued
: 05/19/1970
Est. Priority Date
: 08/11/1967
Status: Expired due to Term
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Current Assignee
Umbricht Emil
Original Assignee
Umbricht Emil
Inventors
UMBRICHT EMIL
Application Number
US04/660,111
Time in Patent Office
1,012 Days
Field of Search
US Class Current
261/87
CPC Class Codes
B01F 23/2331
characterised by the introd...
B01F 23/23311
through a hollow stirrer axis
B01F 23/23314
through a hollow stirrer el...
B01F 27/11251
having holes in the surface
C02F 3/1284
Mixing devices
C02F 3/205
Moving, e.g. rotary, diffus...
C02F 3/207
with axial thrust propellers
Y02W 10/10
Biological treatment of wat...
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