Valvae materialis interior usus temperatus referat valvae graphice symbolum
Valvae interioris materialis usus temperaturae referat valvae graphicae symbolum Valvae interioris materialis temperaturae referentia, ut typus 304 chalybs immaculata, typus 316 chalybs immaculata, aes, Inknicel stannum, KMNel stannum, MnNel stannum, Hasloy stannum B, Hasloy stannum C, tit...
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