Weiyel Reference Materials
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8099 Escherichia coli carrier (cloth)
BNCC362620
Bacillus subtilis spore suspension
BNCC358982
Water quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC360396
Standard quality control samples of Escherichia coli in drinking water (multi-tube fermentation method)
BNCC360415
Bacillus coagulans spore suspension
BNCC362557
Bacillus subtilis spore suspension
BNCC358981