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IEC 60672-3:1997 ed2.0

Действует
Ceramic and glass-insulating materials - Part 3: Specifications for individual materials — 13 стр.
Applicable to ceramic, glass-ceramic, glass-mica and glass materials for electrical insulating purposes giving a classification of materials and typical numerical values for the major characteristics.
ICS
29.035.30 Glass and ceramic insulating materials / Стеклянные и керамические изоляционные материалы