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CPC
E03B3/22
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Parent Industries
E
FIXED CONSTRUCTIONS
E03
Water supply, sewage
E03B
INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
E03B3/00
Methods or installations for obtaining or collecting drinking water or tap water
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E03B3/22
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Patents Grants
last 30 patents
Information
Patent Grant
3638726
Patent number
3,638,726
Issue date
Feb 1, 1972
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
CPC
E03B3/22
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