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Specifications for the Manufacture and Installation of Railroad Track Scales

Association of American RailroadsAmerican Railway Engineering AssociationRailroad and Warehouse Commission of the State of MinnesotaNational Scalemen's AssociationUnited States. National Bureau of StandardsScale Manufacturers Association

出版	U.S. Government Printing Office, 1920
URL	http://books.google.com.hk/books?id=3RThvv0nOmoC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Prepared by a joint committee of the American Railroad Association, the American Railway Engineering Association, the Railroad and Warehouse Commission of the State of Minnesota, the National Scalemen's Association, the Scale Manufacturers Association, and the Bureau of Standards.