DB44/T 1855-2016
20240960-T-606
Plastics—Epoxy resins—Determination of degree of crosslinking of crosslinked epoxy resins by Fourier Transform Infrared (FTIR) Spectroscopy
GB/T 1303.4-2009
Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 4: Requirements for rigid laminated sheets based on epoxy resins
GB/T 32561.4-2022
Measuring methods for chalcogenide infrared optical glass—Part 4: Coefficient of optical absorption
DL/T 2685-2023
GB/T 15022.4-2009
Resin based reactive compounds used for electrical insulation - Part 4: Unsaturated polyester based impregnating resins
QJ 1606-1989
GB/T 31768.4-2015
Non-destructive testing—Infrared flash thermography—Part 4: System
GB 10408.4-2000
Detectors for intruder alarm systems--Part 4:Active infrared intrusion detectors
BS ISO 20368:2017
Plastics. Epoxy resins. Determination of degree of crosslinking of crosslinked epoxy resins by Fourier Transform Infrared (FTIR) Spectroscopy
ISO 20368:2017
Plastics — Epoxy resins — Determination of degree of crosslinking of crosslinked epoxy resins by Fourier Transform Infrared (FTIR) Spectroscopy
GB/T 5132.4-2024
Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes—Part 4:Round laminated moulded tubes
GB/T 24148.4-2009
Plastics - Unsaturated polyester resin - Part 4: Determination of viscosity
SJ 51206/3-1998
Detail specification of infrared detector module for type 4/20 H83SY2
SY/T 6679.4-2016
GB/T 6150.4-2023
Methods for chemical analysis of tungsten concentrates—Part 4:Determination of sulfur content—High frequency-infrared absorption method and combustion-iodometric method
SJ 20831-2002
Method for measurement and test of parameters of 4N infrared focal plane detector dewar assembly
YS/T 1550.4-2022
YS/T 1230.4-2018
Methods for chemical analysis of anode copper-Part 4: Determination of oxygen content-Pulse infrared method
SJ/T 2658.4-2015
Measuring method for semiconductor infrared-emitting diode - Part 4:Total capacitance