B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/144
B22C 7/02 (2006.01) B22C 9/08 (2006.01)
Patent
CA 1315954
FS 1373 COG METAL CASTING PATTERNS ABSTRACT A metal casting pattern of expanded thermoplastics material such as polystyrene or polymethyl methacrylate has a filter comprising a porous ceramic body, such as a body having pores extending from one face to another face or a foam structure, incorporated therein.
567356
Brown John R.
Graham Nigel K.
King Russell A.
Brown John R.
Foseco International Limited
Gowling Lafleur Henderson Llp
Graham Nigel K.
King Russell A.
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