Method and apparatus for casting ceramic pieces
United States Patent 1679345

Inventors:
Austin, Arthur O.
Publication Date:
08/07/1928
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Assignee:
OHIO BRASS CO
Primary Class:
264/86
Other Classes:
264/314, 425/DIG.012, 174/167, 249/134, 264/317, 249/62
International Classes:
B28B1/26; B28B3/00; B28B7/32; B28B7/34; B28B7/28