Weiyel Reference Materials
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Shigella quality control sample of sludge from medical institutions
BNCC362177
Quality control samples of salmonella from sewage of medical institutions
BNCC362178
Water quality enzyme substrate method positive quality control sample
BNCC360394
Pseudomonas aeruginosa infection carrier (cloth)
BNCC362622
Standard quality control sample of clostridium perfringens in drinking water
BNCC362541
Fecal coliform standard quality control sample (Multitube fermentation method)
BNCC359289