B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 1/20 (2006.01) B22C 1/22 (2006.01) B22C 3/00 (2006.01)
Patent
CA 2186941
Refractory coated gelatin-bonded foundry sand core made by waterproofing the surface of the core and immersing the waterproofed core in an aqueous refractory suspension to deposit the refractory.
Biederman Scott William
Datte Mark Allen
Siak June-Sang
Whited William Thomas
Gm Global Technology Operations Inc.
Gowling Lafleur Henderson Llp
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