Weiyel Reference Materials
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Quality control samples by enzyme substrate method for drinking water
BNCC360392
Escherichia coli bacteriophage T1 standard quality control product
BNCC362950
Reference material of bacillus atrophaeus spores count
BNCC359097
Pseudomonas aeruginosa carrier (steel plate)
BNCC362005
Bacillus subtilis spore suspension
BNCC361461
Quality control samples of fecal coliforms in medical institutions
BNCC362171