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DIN EN ISO 7231
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop (ISO 7231:2023); German version EN ISO 7231:2023
Edition
2023-11
DIN 16003
Mechanical pressure and temperature gauges - Differential pressure gauges - Dimensions, metrology, requirements and testing
Edition
2018-04
SN EN ISO 7231
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop (ISO 7231:2023)
Edition
2023-09
DIN EN 50725 ; VDE 0400-91:2024-10
Specification for portable electrical apparatus designed to measure draught and gas pressure of heating appliances and systems; German and English version prEN 50725:2023
Edition
2024-10
OENORM EN ISO 7231
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop (ISO 7231:2023)
Edition
2023-11-15
NF T56-113 ; NF EN ISO 7231:2023-08-23
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop
Edition
2023-08-23
ISO 7231
Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop
Edition
2023-08
ISO 12614-14
Road vehicles - Liquefied natural gas (LNG) fuel system components - Part 14: Differential pressure fuel content gauge
Edition
2021-06
BS EN ISO 7231
Polymeric materials, cellular, flexible. Determination of air flow value at constant pressure-drop
Edition
2023-08-24
BS 7403-3
Full-flow lubricating oil filters for internal combustion engines. Methods of test for resistance to high differential pressure and to elevated temperature
Edition
1998-03-15