B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/190
B22D 7/00 (2006.01)
Patent
CA 1049225
TITLE OF THE INVENTION POWDERED FACING AGENT ABSTRACT OF THE DISCLOSURE A powdered facing agent for use in forming a shell mold, which is composed of a powdered refractory, such as silica, alumina, zircon, silex, magnesia, etc., a novolak type phenol resin, a resol type phenol resin and/or vinyl acetate resin.
254172
Imazato Tetsuya
Yamanishi Akio
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