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tap water requirements

tap water requirements, Total:4 items.

In the international standard classification, tap water requirements involves: Miscellaneous domestic and commercial equipment.

RU-GOST R, tap water requirements

• GOST 28916-1991 Fountain-pens. General technical requirements and test methods
• GOST 29211-1991 Fiber pens. General technical requirements and test methods

AT-ON, tap water requirements

• ONORM A 2150-1994 Fountain pens for educational purposes - Terms with definrtions, requirements for use and test specrfications - Marking of conformrty
• ONORM A 2149-1988 Ink cartridges for fountain-pens for the use of pupils; term with definilion;requirements and test specifications marking of conformity

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