Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Process of using a semi-permeable membrane of acrylonitrile copo
Semipermeable membranes
Semipermeable membranes of aromatic disulfimide containing polya
Semipermeable membranes of copolyamides
Semipermeable membranes of heterocyclic copolyamides
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Profile ID: LFUS-PAI-P-681647