Weiyel Reference Materials
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Standard Sample of Total Colony in Cosmetics
BNCC361614
Reference material of total bacterial count in food
BNCC359091
Water quality fecal coliform standard quality control material sample (multi-tube fermentation method)
BNCC360422
Quality control samples of fecal coliforms in medical institutions
BNCC362169
Standard quality control sample of coliform bacteria (MPN counting method)
BNCC360590
Quality control samples of fecal coliforms in medical institutions
BNCC362168