Patent classifications
E
FIXED CONSTRUCTIONS
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E03
WATER SUPPLY; SEWERAGE
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E03F
SEWERS; CESSPOOLS
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E03F5/04
Gullies; inlets, road sinks, floor drains; with or without odour seals or sediment traps
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E03F5/0401
Gullies for use in roads or pavements
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E03F5/0406
the odour seal being easily accessible for cleaning
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