Weiyel Reference Materials
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Water quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC360396
Reference material of bacillus subtilis spores count
BNCC359088
Escherichia coli bacteriophage T1 standard quality control product
BNCC362950
Escherichia coli bacteriophage T1 standard quality control product
BNCC362949
8099 Escherichia coli carrier (cloth)
BNCC362628
Quality control sample of coliform bacteria in sludge feces of medical institutions
BNCC362172