Cribrum subtile mensurans, reticulum tenue polyurthanum, tabulae cribrorum tensionatae, tabulae e gummi, cribra exsiccantia altae frequentiae

Cribra humida subtilia, mensuratores acervi humidi subtiles, et cribra polyurthanica in Anhui Fangyuan Plastic&Rubber produci possunt; haec late in lapicidinis, praeparatione carbonis, separatione ferri adhibentur. Cineres et particulas minutas in applicatione carbonis, contundendo, molendo, cribrando removere possunt.

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Tempus publicationis: Kal. Sept. anni MMXXII