E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/32
E02B 11/00 (2006.01) F16L 9/22 (2006.01) G02B 6/44 (2006.01) G02B 6/50 (2006.01) H02G 9/06 (2006.01) H02G 9/08 (2006.01)
Patent
CA 1262410
ABSTRACT A prefabricated drain-pipe is provided which is produced from the joinder of a selected number of arcuate-shaped prefabri- cated sections which are joined along their corresponding longitudinal edges or to a base to define a channel of a selected cross-section.
505404
de Oliveria Carlos Joaquim Costa Martins
Malcolm Johnston & Associates
LandOfFree
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