49.050 : Aerospace engines and propulsion systems
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UNE-EN 4301:2009 (R2018)
Aerospace series - Identification marking methods for engine items - Engineering requirements (Endorsed by AENOR in April of 2009.)
4/1/2009 - PDF - English - AENOR
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UNE-EN 4300:2008 (R2018)
Aerospace series - Identification marking of engine items - Design standard (Endorsed by AENOR in June of 2008.)
6/1/2008 - PDF - English - AENOR
Learn More€64.00