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ANAI Calvini Chiggiato.pdf - Ass. Nazionale Archivistica Italiana ...

ANAI Calvini Chiggiato.pdf - Ass. Nazionale Archivistica Italiana ...

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Impasto<br />

c) pasta semichimica (1900):<br />

blandi trattamenti chimici, sfibratura meccanica, breve cottura<br />

a 170-175°C in soluzioni di Na 2 CO 3 e Na 2 SO 3

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