Ce Yemeza Ikirere Igikoresho - CAT 20427 - 59 - 2 Umuringa Hydroxide Cuh2o2 - Hongyuan
Ce Yemeza DIRHDROXYDICONICOPER INYANDIKO -Cas 20427 - 59 - 2 Amashanyarazi 2 Umuringa Cuh2o2 - Hongyuantail:
Ibicuruzwa birambuye amashusho:
Ibicuruzwa bifitanye isano:
Ishirahamwe ryacu risezeranya abakiriya bose hamwe nibicuruzwa byambere - Ibicuruzwa nibisubizo hamwe ninyandiko zishimishije - Serivisi yo kugurisha. Twishimiye cyane abakiriya bacu basanzwe kandi bashya kugirango twinjire ku mbaraga zo muri Amerika Imbaraga Cuhh227 - 59 - "Umuntu?