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1、 USSR STATE STANDARD AUTOMATIC COUPLING CONTOUR LINE DIMENSIONS GOST 21447-75 Official Edition English Version Approved by Interstandard STATE COMMITTEE FOR STANDARDS OF THE USSR COUNCIL OF MINISTERS M o s c o w 21447-75 II DEVELOPED by All-Union Research Institute for Railway Transport Deputy direc
2、tor Fufryansky N.A. Project Heads Dolmatov A.A., Kolomiychenko V.V. Developer Lobanov N.N. SUBMITTED BY Ministry of Railways Deputy Minister Golovaty A.T. PREPARED FOR APPROVEMENT by All-Union Research Institute for Normalization in Machine Building Director Verchenko V.R. APPROVED AND INTRODUCED by
3、 Decree No. 4104, dated 30.12.75, of State Committee for Standards of the USSR Council of Ministers 21447-75 1 UDC 625.2.013.43 (083.74) Group 56 USSR STATE STANDARD AUTOMATIC COUPLING CONTOUR LINE Dimensions GOST 21447-75 Period of validity set by Decree No. 4104, dated 30.12.75, of State Committee
4、 for Standards of the USSR Council of Ministers from 01.07.76 Failure to comply with this Standard will result in legal proceedings 1. This Standard applies to automatic coupling contour line, installed on broad track railway rolling stock. 2. Basic dimensions of coupling contour line shall comply with those specified on the drawing. Official Edition Reprinting is prohibited Standards Publishing House, 1976 -,-,- 21447-75 2 _ * Reference dimensions for angles construction. Editor A.L. Vladimirov Technical Editor N.S. Matveyeva Proof-reader I.L. Hinits -,-,-