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IEC 60122-3:1977 ed2.0

Заменен
Quartz crystal units for frequency control and selection. Part 3: Standard outlines and pin connections — 32 стр.
Loose-leaf booklet containing standard outlines and pin connections. Thirty-four standard sheets are included and supplements will be issued as new outlines are developed.
ICS
31.140 Piezoelectric devices / Пьезоэлектрические и диэлектрические приборы