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Inventor: Tadayoshi Sato


Address: Mizumoto Koai Kamimachi, Katsushika, Tokyo, JA
No. of patents: 1
Last patent issue date: 06/01/1976

NumberTitleIssue Date
3959840Pipe cleaning apparatus
In a pipe cleaning apparatus with a rotatable lapped coil spring for insertion into a pipe to be cleaned, a flexible tube is accommodated in the coil spring throughout a length thereof which at its one end is connected to an injection nozzle in communicat...
06/01/1976
 
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