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ch5+
ch5+は全部で 282 項標準に関連している。
ch5+ 国際標準分類において、これらの分類:。
American Railway Engineering and Maintenance-of-Way Association (AREMA), ch5+
American Welding Society (AWS), ch5+
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), ch5+
CL-INN, ch5+
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ch5+
IX-FAO, ch5+
AREMA - American Railway Engineering and Maintenance-of-Way Association, ch5+
ITE - Institute of Transportation Engineers, ch5+
ABS - American Bureau of Shipping, ch5+
American Bureau of Shipping , ch5+
National Aeronautics and Space Administration (NASA), ch5+
Building Officials and Code Administrators International(U.S.), ch5+
National Fire Protection Association (NFPA), ch5+