GB/T 5295-1985
Replaced
T/SHDSGY 043-2022
Active
Group standards
T/SHDSGY 043-2022 Nasal mask
T/SHDSGY 043-2022 Nasal mask
Price:
$ 20.00
Basic Information
Standard Code:
T/SHDSGY 043-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Optoelectronics, laser equipment
Publish Date:
2022-10-27
Implement Date:
2022-10-27
Scope
Main technical content: This standard specifies the naming, general requirements, requirements, test methods, test steps, inspection rules, marking and accompanying documents, as well as packaging, transportation, and storage of nasal masks. This document is suitable for special groups with higher requirements for respiratory comfort to wear in daily life. It is used to filter and block pollen, droplets, and other particulate matter, and can achieve a 95% filtration efficiency of 0.3 micron particles.
Development Information
Related Standards
GB/T 7257-1987
Replaced
GB/T 7257-1987 Measurement methods of parameter for helium neon laser
GB/T 7270-1987
Replaced
GB/T 7270-1987 Methods of measurement for photomultiplier tubes
GB/T 7271-1987
Abolished
GB/T 7271-1987 Methods of measurement for phototubes
GB/T 12082-1989
Active
GB/T 12082-1989 Letter symbols for gas lasers
GB/T 12083-1989
Replaced