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METHOD AND MEANS FOR LUBRICATING PUMP HOSES, PIPES AND SYSTEMS PRIOR TO PUMPING CONCRETE
METHOD AND MEANS FOR LUBRICATING PUMP HOSES, PIPES AND SYSTEMS PRIOR TO PUMPING CONCRETE
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机译：在泵送混凝土之前润滑泵送软管，管道和系统的方法和装置
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摘要
A means comprising a suitable amount of a slurry of a clay matured in water at natural pH during stirring for 1 to 7 days is used in a method for lubricating pump hoses, pipes, and systems during pumping of fresh concrete.
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