the cleaning devices conforming to, or being conformable to, substantially the same cross-section of 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 > moved along the pipes by a fluid, e.g. by fluid pressure or by suction > the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes,

Child Classifications

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• B08B 9/0551
• B08B 9/0552
• B08B 9/0553
• B08B 9/0554
• B08B 9/0555
• B08B 9/0557
• B08B 9/0558