Heat resisting panel and method of making same
United States Patent 1987779

Inventors:
Mcbride, Knote John
Publication Date:
01/15/1935
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Assignee:
QUIGLEY CO
Primary Class:
428/70
Other Classes:
428/450, 264/267, 52/834, 428/920, 264/DIG.057
International Classes:
C10B25/06; C10B25/00