JQG300T-33M Beam Launcher Launcher Gantry crane for
JQG300T-33M Beam Launcher Launcher Gantry crane for Bridge. Double girder beam launcher, one of the bridge construction machinery, the Soviet Union used earlier. In 1948 the introduction of its front and rear arms are steel beams, hanging weight of 45 tons and 80 tons of two. 50 years, the arms to architecture, lifting development to 130 tons.
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