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GB - Chinese national standards
Page 4218
GB/T 42842.2-2023 (06/08/2023)
Fine bubble technology—Cleaning applications—Part 2: Test method for cleaning machine-oil stained surfaces of machined metal parts
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 322.80 USD more info
GB/T 42842.3-2026 (30/04/2026)
Fine bubble technology—Cleaning applications—Part 3:Test method for cleaning hard flooring surfaces
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 442.80 USD more info
GB/Z 42842.4-2026 (27/08/2026)
Fine bubble technology—Cleaning applications—Part 4:Test method for oil removal from polyester-based textile
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 670.80 USD more info
GB/T 42843.1-2023 (06/08/2023)
Fine bubble technology—Sampling and sample preparation for measurement—Part 1: Ultrafine bubble dispersion in water
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 322.80 USD more info
GB/T 42844-2023 (06/08/2023)
Fine bubble technology—Storage and transportation of ultrafine bubble dispersion in water
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 226.80 USD more info
GB/T 42845.1-2023 (06/08/2023)
Fine bubble technology—Characterization of microbubbles—Part 1: Off-line evaluation of size index
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 598.80 USD more info
GB/T 42846-2023 (06/08/2023)
Space environment—Method of ground simulation for space radiation effect on non-metallic materials
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 598.80 USD more info
GB/T 42847.2-2023 (06/08/2023)
Energy storage systems using fuel cell modules in reverse mode—Part 2: Test procedures for the performance of single cells and stacks with proton exchange membranes,including reversible operation
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 808.80 USD more info
GB/T 42847.3-2023 (07/09/2023)
Energy storage systems using fuel cell modules in reverse mode—Part 3: Test procedures for the performance of energy storage systems
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 640.80 USD more info
GB/T 42848-2023 (06/08/2023)
Semiconductor intergrated circuits—Test method of direct digital frequency synthesizer
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 778.80 USD more info
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