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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B08B9/08
Cleaning containers, e.g. tanks
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B08B9/0804
Cleaning containers having tubular shape, e.g. casks, barrels, drums
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B08B9/0813
by the force of jets or sprays
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