QB/T 4245-2011.Piperonyl acetone.5.5.1仪器a)气相色谱仪:按GB/T 1538- 2006 或GB/T 11539- 20...

行业标准2023.07.27

QB/T 4246-2011.Methyl cedryl ether.5.5含量的测定5.5.1 仪器a)气相色谱仪:按GB/T11338- 2006或GB/T...

行业标准2023.07.27

QB/T 4247-2011.Helional.5.3相对密度的测定按GB/T 11540的规定。5.4折光指数的测定按GB/T 14454.4的规定,5.5酸...

行业标准2023.07.27

QB/T 4248-2011.Linalool oxide(furan type).5.3相对密度 的测定按GB/T 11540的规定。5.4折光指数的测定按G...

行业标准2023.07.27

QB/T 4249 - 2011.Sandal 210.5.3 相对密度的测定按GB/T 11540的规定。5.4折光指数的测定按GB/T 14454.4的规定...

行业标准2023.07.27

QB/T 4324-2012.General technical requirements of efcts unit for electrophones.1范...

行业标准2023.07.27

QB/T 4325-2012.Electrophones playback equipment- multifunctional amplifier.QB/T...

行业标准2023.07.27

QB/T 4326-2012.Electrophones playback equipment-Amplifier for electric guitar.QB...

行业标准2023.07.27

QB/T 4327-2012.General technical requirements of amplifier for electronic keyboa...

行业标准2023.07.27

QB/T 4328-2012.General technical requirements of amplifier for electronic drums....

行业标准2023.07.27