מערכת מקרו לקביעת חנקן, Parnas-Wagner
Macro apparatus for determination of nitrogen acc.to Parnas-Wagner, complete, Kjeldahl flask with trap 250 ml
made of borosilicate glass
Macro apparatus for determination of nitrogen acc.to Parnas-Wagner, complete, Kjeldahl flask with trap 250 ml
made of borosilicate glass
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