BS 7831:1995

Заменен

Test procedure for thermal endurance of insulating varnishes. Electric strength method — 14 стр.

Ссылочные документы

Заменен

Standard conditions for use prior to and during the testing of solid electrical insulating materials — 12 стр.

Действует

Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes. Electric breakdown methods — 22 стр.

Действует

Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes. Electric breakdown methods — 22 стр.