Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B08
CLEANING
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B08B
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
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9/00
Cleaning hollow articles by methods or apparatus specially adapted thereto
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B08B9/02
Cleaning pipes or tubes or systems of pipes or tubes
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B08B9/027
Cleaning the internal surfaces; Removal of blockages
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B08B9/04
using cleaning devices introduced into and moved along the pipes
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B08B9/053
moved along the pipes by a fluid, e.g. by fluid pressure or by suction
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