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Normas ASTM

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ASTM

ASTM D8451 - 22

En Vigor
2022-04-01
Standard Test Method for Calculation of Unfixed Chrome Concentration in Wet Blue
ASTM

ASTM E809 - 21

En Vigor
2021-01-01
Standard Practice for Measuring Photometric Characteristics of Retroreflectors
ASTM

ASTM D7954/D7954M - 22a

En Vigor
2022-05-01
Standard Practice for Moisture Surveying of Roofing and Waterproofing Systems Using Nondestructive Electrical Impedance Scanners
ASTM

ASTM E1961 - 16(2021)

En Vigor
2021-11-01
Standard Practice for Mechanized Ultrasonic Testing of Girth Welds Using Zonal Discrimination with Focused Search Units