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1.Method of cleaning the gas-swept heating surfaces in heat exchangers 失效
Title translation: 清洁热交换器中气体加热表面的方法公开(公告)号:US3534805A
公开(公告)日:1970-10-20
申请号:US3534805D
申请日:1968-06-17
Applicant: BO GRELS ALARIK BERG , JARL LEO RONALD SODERSTROM
Inventor: ACKERFELDT KRISTER ALLAN