EN ISO 20227:2017现行
Water Quality - Determination Of The Growth Inhibition Effects Of Waste Waters, Natural Waters And Chemicals On The Duckweed Spirodela Polyrhiza - Method Using A Stock Culture Independent Microbiotest (Iso 20227:2017)
出版：Comite Europeen de Normalisation
专家解读视频
2017 [01/07/2017]
PN EN ISO 20227:2017 - Identical
DIN EN ISO 20227 (2017-10) - Identical
SS EN ISO 20227 Ed. 1 (2017) - Identical
I.S. EN ISO 20227:2017 - Identical
DS EN ISO 20227:2017 - Identical
ONORM EN ISO 20227:2017 - Identical
NS EN ISO 20227:2017 - Identical
NF EN ISO 20227:2017 - Identical
