DIN EN 2004-7 : 2017 Title: Aerospace series - Test methods for aluminium and aluminium alloy products - Part 7: Reference blocks for the calibration of measuring equipment used in the determination of electrical conductivity of wrought aluminium and aluminium alloys; German and English version EN 2004-7:2017 Year: 2017 Publisher: DIN Media GmbH Availability: Within 1-2 working days