Specifies methods of measuring the effectiveness of either inlet or outlet anti-drain valves if fitted to a full-flow lubricating oil filter of the "spin-on" or "easy change" type, for internal combustion engines.
Revises
ISO 4548-8:1989
WITHDRAWN
ISO 4548-9:1995
95.99
Withdrawal of Standard
Jan 30, 2008
PUBLISHED
ISO 4548-9:2008
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