进口版 CMAA Specification No. 70-2010
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CMAA Specification No. 70-2010 Specifications for Top Running Bridge&Gantry Type Multiple Girder Electric Overhead Trave…
CMAA Specification No. 70-2010
Specifications for Top Running Bridge&Gantry Type Multiple Girder Electric Overhead Traveling Cranes
CRANE MANUFACTURERS ASSOCIATION OF AMERICA, INC.
Prepared by The Crane Manufacturers Association of America, inc
语言:英文版
国外进口原版,下图:
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