Process and apparatus for production of a substance having a nacreous and chatoyant aspect
United States Patent 1700208

Inventors:
Jean, Paisseau
Publication Date:
01/29/1929
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Assignee:
Jean, Paisseau
Primary Class:
264/108
Other Classes:
264/DIG.031, 425/380
International Classes:
B44F9/08; B44F9/00