R6999 Lyphan roll pH 6,9 to 9,9

sealed plastic box with rotating roll of 6m test paper original
R6999 LYPHAN Rolle pH 6,9 bis 9,9
pH-value / pH measuring range 6,9 7,2 7,5 7,8 8,1 8,4 8,7 9,0 9,3 9,6 9,9

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