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CANTILEVER CRANE FOR PLACING SPAN STRUCTURES OF BRIDGES
CANTILEVER CRANE FOR PLACING SPAN STRUCTURES OF BRIDGES
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机译:悬臂起重机,用于放置桥梁的跨度结构
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摘要
a console installation пролетных buildings bridges containing плaтфop fy with locomotor ходовыми trolleys, which is opposed to and console with направл ющими etc. иводом перемещени ,at the end of снаб
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