Covering grillage for draining gutters with stiffener - has stiffening profiles with brackets for holding in draining gulley top
DE2615800A1
Catch basin for drain pipes for surface drainage - uses sludge bucket with lock seam for mounting cover
DE2615799A1
Curved running track sports field covered drainage channel - has cover retainers curved relative to straight channel parts and screws or rivets used for connection
DE2542479A1
Metal casing for concrete surface draining gutter shell - uses threaded connections for adjustable fit
DE2502186A1
Surface irrigation channel with selective discharge connection - has axis of discharge opening at an angle of forty five degrees to channel
DE2447871A1
Closing plates for rainwater gutters - has sliding plate with connecting plug adjustable within guide grooves
DE2437198A1
Cast-component-assembled surface drainage gutter - comprising parallel-longitudinal -faced parts with height varying according to water head level
DE2423285A1
Surface drainage channel - has metal frames shaped to side piece connected to concrete channel by rivets
DE2411781A1
Prefabricated manhole cover - composed of lid frame and support and with plastics reinforced concrete in the lid
