US PATENT SUBCLASS 65 / 30.12
.~.~ To hydrate the glass


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65 /   HD   GLASS MANUFACTURING

17.1  DF  PROCESSES {32}
30.1  DF  .~ With chemically reactive treatment of glass preform {4}
30.12.~.~ To hydrate the glass


DEFINITION

Classification: 65/30.12

To hydrate the glass:

(under subclass 30.1) Processes which comprise the incorporation of water in the glass.