Patent classifications
E
FIXED CONSTRUCTIONS
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E03
WATER SUPPLY; SEWERAGE
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E03B
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
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7/00
Water main or service pipe systems
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E03B7/07
Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
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E03B7/071
Arrangement of safety devices in domestic pipe systems, e.g. devices for automatic shut-off
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