A pleated filter includes a filter base having folds that repeatedly form mountains and valleys and having a cylindrical shape whose axial direction is a ridge line direction of the folds. The pleated filter includes, in a valley projecting to the inside of the cylindrical shape, a bonded reinforcing portion extending in the ridge line direction of the folds.
PLEATED FILTER, PLEATED FILTER CARTRIDGE, AND BALLAST WATER TREATMENT DEVICE AND BALLAST WATER TREATMENT METHOD, EACH USING SAME
2017-08-03
Patent
Electronic Resource
English
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