A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
INSPECTION CHAMBER LID
An inspection chamber lid including a groove ramp to receive a protrusion of an inspection chamber collar. The lid locks to the collar as the lid is twisted and the protrusion tightly engages the end portion of the groove ramp.
INSPECTION CHAMBER LID
An inspection chamber lid including a groove ramp to receive a protrusion of an inspection chamber collar. The lid locks to the collar as the lid is twisted and the protrusion tightly engages the end portion of the groove ramp.
INSPECTION CHAMBER LID
COUVERCLE DE CHAMBRE D'INSPECTION
SCHULT ROBERT (author) / HOUGHTON JON (author)
2017-04-05
Patent
Electronic Resource
English
IPC:
E02D
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