DIN EN 61249-3-4:1999-11
Действует
Materials for printed boards and other interconnecting structures - Part 3-4: Sectional specification set for unreinforced base materials, clad and unclad (intended for flexible printed boards); adhesive coated flexible polyimide film (IEC 61249-3-4:1999); German version EN 61249-3-4:1999
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