FILTERING AND WASHING APPARATUS AND FILTERING AND WASHING METHOD
PROBLEM TO BE SOLVED: To provide a filtering and washing apparatus where a filter material does not outflow from a drain trough to the outside of a filtration tank when washing without a drainage operation.SOLUTION: A filtering and washing apparatus 1 comprises: a filter basin 10 storing raw water;...
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Format: | Patent |
Sprache: | eng ; jpn |
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