BS 3939SECTION22:1971

Graphical symbols for electric power, telecommunications and electronics diagrams.. Block symbols for telecommunications transmission and general applications.

NORMA vydaná dňa 30.4.1975

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The information about the standard:

Designation standards: BS 3939SECTION22:1971
Note: NEPLATNÁ
Publication date standards: 30.4.1975
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS