Metalli materia non-ferro methodo classificationis (I)

Per stannum ratio
Metallum grave mixtum, mixtura levis colorata, metallum mixtura pretiosa, mixtura rara, etc.; secundum stannum applicationis, dividi potest in: deformatio (admixtionis ad pressionis processui), stannum, stannum, stannum, stannum, durum mixtura, solidarium, medium stannum, metallum pulveris, etc.

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