出口禽肉中二氯二甲吡啶酚残留量检验方法丙酰化-气相色谱法
Method for determination of clopidol residues in poultry meat for export-Propionylation- gas chromatography
Method for determination of clopidol residues in poultry meat for export-Propionylation- gas chromatography
Determination of clopidol residues in foodstuffs of animal origin for export
Fire-resistant cable trunk
Method for determination of BHC and DDT residues in Chinese medicinal material for export
Protective clothing-Chemical protective clothing
Gas fire extinguishing systems and components
Indicating and control unit for fire resistant doorsets
Regulation of infectious diseases prevention and control in primary and secondary schools
Respiratory protection-Non-powered air-purifying gas mask
Hand protection-Protective gloves against chemicals and micro-organisms