000 00484nam a2200157Ia 4500
001 0000016273
005 20251012174544.0
008 s1990 xx eng c
020 _a9211164656
050 0 0 _aTP159.M4
245 1 0 _aMembrane technology in the chemical industry
260 _aNew Haven
_bUnited Nations
_c1990
300 _a91p
_bill
_c30 cm.
500 _aAt head of title: Economic Commission for Europe, Geneva "ECE/CHEM/72."
650 0 _aMembranes (Technology)
999 _c6075
_d6075