Since 2014-09-22, two JIS standards had been updated. JIS A 5905: 2014 Fiberboards JIS A 9521: 2014 Thermal insulation materials for buildings
Since 2014-09-22, two JIS standards had been updated.
JIS A 5905: 2014 Fiberboards
JIS A 9521: 2014 Thermal insulation materials for buildings