Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2022)
搪瓷和搪瓷与食品接触的搪瓷制品的脱模试验方法和限值
2022-05-04
ISO 4531-2022
Vitreous and porcelain enamels — Release from enamelled articles in contact with food — Methods of test and limits
釉瓷和搪瓷.与食品接触的搪瓷制品的释放.试验方法和限值
2022-04-07
DIN EN ISO 4531
Vitreous and porcelain enamels - Release from enamelled articles in contact with food - Methods of test and limits (ISO 4531:2018)
釉瓷和搪瓷.与食品接触的搪瓷制品的释放.试验方法和限值(ISO 4531-2018)