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BS 3630-8:1971

Заменен
Methods for the sampling and analysis of zinc and zinc alloys, Lead and cadmium in zinc (grades Zn1 and Zn2) and zinc alloys (polarographic method) — 12 стр.
ICS
77.120.60 Lead, zinc, tin and their alloys / Свинец, цинк, олово и их сплавы