F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/27
F16K 1/22 (2006.01) F16K 1/226 (2006.01)
Patent
CA 1125725
ABSTRACT OF THE DISCLOSURE A butterfly valve comprising a valve body, a disk-shaped valve member pivotally provided on the valve body, and a seat ring fixed to the valve body, the seat ring having a circum- ferential protrusion on an inner surface thereof.
349661
Borden Ladner Gervais Llp
Tomoe Technical Research Company
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