FIFTH资源列表

[国外标准] SAE J848-2001 Fifth Wheel Kingpin, Heavy-Duty.Commercial Trailers and Semitrailers

[国外标准] SAE J133-2003 Fifth Wheel Kingpin Performance—Commercial Trailers and Semitrailers

[国外标准] SAE J133-1987 FIFTH WHEEL KINGPIN PERFORMANCE.COMMERCIAL TRAILERS AND SEMITRAILERS