F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 5/10 (2006.01)
Patent
CA 2171653
A cylindrical housing anchored in the opening of a concrete wall has a first cylindrical wall of generally uniform diameter attached to the inner side of the cylindrical housing and extending axially into the housing, a second generally radial annular wall has a radially outward side attached to the first wall and seals against a pipe through the cylindrical housing.
By And B. Etween Norman W. Gavin As Grantor And Peter Gavin And The Peter Gavin Spray Trust Under Agreement Dated May 26 2004
Gavin Norman W.
LandOfFree
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