表面活性剂 工业烷烃磺酸盐总烷烃磺酸盐含量的测定
Surface active agents-Technical alkane sulphonates Determination of total alkane sulphonates content
Surface active agents-Technical alkane sulphonates Determination of total alkane sulphonates content
Plastics-Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials-Part 1:Designation system and basis for specifications
Plastics-Determination of the effects of exposure todamp heat,water spray and salt mist
Surface active agents-Test methods of technical sodium alkylarylsulphonates(excluding benzene derivatives)
Plastic-Multipurpose test specimens
Surface active agents-Technical alkane sulfonates-Determination of meanrelative molecular mass and content of the alkane monosulfonate
High speed duplicate audio tape
Surface active agents-Determination of wetting power-Immersion method
Technical specification of agricultural tyres
Technical specification of earth-mover tyres