US PATENT SUBCLASS 210 / 321.72
.~ Each section having inlet(s) and outlet(s)

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

321.6  DF  CASING DIVIDED BY MEMBRANE INTO SECTIONS HAVING INLET(S) AND/OR OUTLET(S) {15}
321.72.~ Each section having inlet(s) and outlet(s) {5}
321.73  DF  .~.~> Noncoiled nonannular cross section tube
321.74  DF  .~.~> Coiled membrane
321.75  DF  .~.~> Planar membrane {1}
321.77  DF  .~.~> Pleated membrane
321.78  DF  .~.~> Cylindrical membrane {1}

DEFINITION

Classification: 210/321.72

Each section having inlet(s) and outlet(s):

(under subclass 321.6) Apparatus further comprising each said section having at least one means providing liquid inlet and at least one means providing liquid outlet.