having self-contained propelling means for moving the cleaning devices along the pipes

Full Title

Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) > Cleaning the internal surfaces; Removal of blockages > using cleaning devices introduced into and moved along the pipes > having self-contained propelling means for moving the cleaning devices along the pipes

Child Classifications

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• B08B 9/0492
• B08B 9/0495
• B08B 9/051 the cleaning devices having motors for powering cleaning tools