ISO-4378-4 Complete Document History
Plain bearings - Terms, definitions, classification and symbols - Part 4: Basic symbols

Complete Current Edition:
   2ND EDITION - PART 4: BASIC SYMBOLS, PLAIN BEARINGS - TERMS, DEFINITIONS, - Sept. 1, 2009

Obsolete Revision Information:
   1ST EDITION - PART 4: CALCULATION PARAMETER - Dec. 15, 1997