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Technical drawings - Seals for dynamic application - Part 2: Detailed simplified representation (ISO 9222-2:1989)
Technical drawings - Seals for dynamic application - Part 1: General simplified representation (ISO 9222-1:1989)
ÖNORM EN 16752:2015-10
Действует
Centrifugal pumps - Test procedure for seal packings
ÖNORM EN 12756:2001-03
Действует
Mechanical seals - Principal dimensions, designation and material codes