—   —   — 33 . -  —  2.757-81*


2.757-81*

2.757-81*

2.757-81

1998

.

Unifiedsystemfordesigndocumentation.
Graphic designations in diagrams.
Commutational field elements of commutational systems


2.757-81*

31 1981 . 1698

01.07.81

1. , , .

( , . 1).

2. . (. ).




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