000 00299nam a2200121Ia 4500
008 220217s9999 xx 000 0 und d
245 0 _aSymbols for rubbers and lattices
260 _c1972
500 _aStandard number: IS 6611
650 _aLattice symbol
650 _aRubber symbol
942 _cST
999 _c73897
_d73897