US PATENT SUBCLASS 137 / 625.3
.~.~.~ With metering feature
Current as of:
June, 1999
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137 /
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FLUID HANDLING
561 R
DF
SYSTEMS
{32}
625
DF
.~ Multi-way valve unit {12}
625.28
DF
.~.~ Dividing into parallel flow paths with recombining {4}
625.3
.~.~.~ With metering feature
DEFINITION
Classification: 137/625.3
(under subclass 625.28) Devices having means to vary the flow through the parallel paths.
