
感光材料光谱灵敏度测定方法
Method for determination of spectral sensitivity of photographic materials
Method for determination of spectral sensitivity of photographic materials
Rubber hoses and hose assemblies for liquefied petroleum gas (LPG) in theliquid or gaseous phase and natural gas up to 2.5 MPa-Specification
Water treatment chemicals-Hydrolyzed polymaleic anhydride
Water treatment chemicals-Polyacrylic acid
Determination of particle size for nitrophosphate
Nitrophosphate, potassium nitrophosphate
Determination of phosphorus content for nitrophosphate Quinoline phosphomolybdate gravimetric method
Carbendazim technical material
Molecular sieve 3A