Autor
American National Standards Institute
National Fire Protection Association (Estados Unidos)
104
American Water Works Association
14
American Welding Society (Estados Unidos). Committee on Filler Metal
11
American Gear Manufacturers Association
5
American Society of Mechanical Engineers
5
IEEE Computer Society. Technical Committee on Computer Communications
4
IEEE Standards Board
4
Institute of Electrical and Electronics Engineers
4
Hand Tools Institute
3
Institute of Electrical and Electronics Engineers (Piscattaway, Estados Unidos)
2
Instrument Society of America
2
Underwriters Laboratories
2
ANSI B94.37M-1979
1
American Petroleum Institute
1
American Society of Heating, Refrigerating and Air-Conditioning Engineers (Atlanta) Anaheim, California)
1
American Welding Society (Estados Unidos)
1
American Welding Society (Estados Unidos). Structural Welding Committee
1
American Welding Society (Estados Unidos). Technical Activities Committee
1
Atomic Industrial Forum
1
Canadian Standard
1
Electronic Industries Association
1
Institute of Electrical and Electronics Engineers. Standards Coordinating Committee 14 on Quantities, Units and Letter Symbols
1
Institute of Electrical and Electronics Engineers. Standards Coordinating Committee 14, Graphic Symbols and Designations
1
Languages Worldwide
1