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西德Kocks公司向意大利米兰阿尔克无缝钢管厂提供一台狄塞尔延伸机。该机将于1988年9月完成试车,届时将取代该厂的旧自动轧机。这台新延伸机能够轧制φ110～
West Kocks supplied a Diesel extension machine to the Ark Seamless Steel Works in Milan, Italy. The aircraft will be completed in September 1988 test run, it will replace the factory’s old automatic mill. This new extension machine can roll φ110 ~