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Directory Of Year 1980, Issue 5
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Current Location:English » 19805 » How to Climb a High Building with Short Ladders
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How to Climb a High Building with Short Ladders

Year:1980 Issue:5

Column: ARTICLES

Author: XIA ZHENGQUAN

Release Date:1980-05-01

Page: 30,31

Full Text:  

IN 1972, the Ministry of Railways demanded that Dalian Rolling Stock Plant in northeast China construct 4,000-h.p. diesel Dangfeng Model 4 locomotives, instead of the 2,000-h.p. ones it had been...

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