Selection of specified materials

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CPC
E03B3/22

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Parent Industries

EFIXED CONSTRUCTIONS E03Water supply, sewage E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER E03B3/00Methods or installations for obtaining or collecting drinking water or tap water

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E03B3/22Selection of specified materials

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Patents Grantslast 30 patents

Information Patent Grant
3638726
- Patent number 3,638,726
- Issue date Feb 1, 1972
- E03 - WATER SUPPLY SEWERAGE