000 00422nam a2200121Ia 4500
008 220217s9999 xx 000 0 und d
245 0 _aRaw rubber, and rubber latex- Determination of manganese content- Potassikum periodate photometric method
260 _aSwitzerland
260 _c1975
_bInternational Organisation for Standards
500 _aStandard number: ISO 1655
650 _aRaw rubber-Rubber latex
942 _cST
999 _c74034
_d74034