000 00303nam a2200121Ia 4500
008 220217s9999 xx 000 0 und d
245 0 _aRubber mats for electrical purposes.
260 _c1952
500 _aStandard number: BS 921
650 _aElectrical purpose
650 _aRubber mat
942 _cST
999 _c73275
_d73275