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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E03F2005/0412
with means for adjusting their position with respect to the surrounding surface
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E03F2005/0413
for height adjustment
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