Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter
Edition 2024-04-11

Belt conveyors - Continuous conveyors - Cleaning system - Method to obtain reference value to evaluate conveyor belt cleaning system performance
Edition 2014-03-14

METHOD TO OBTAIN SUBSAMPLES REPRESENTATIVE OF WOOL WITH ITS SUINT.
Edition 1974-09-15

STRUCTURAL CHARACTERISTICS OF WOOL TWILL TREATED TO OBTAIN SAMPLES IN VIEW OF ITS ULTERIOR USE IN THE DETERMINATION OF STRENGTH OF FABRICS AGAINST THE ATTACKS OF COMMON MOTH.
Edition 1975-10-15

Procedure to obtain samples for the determination of environmental radioactivity. Part 1: Soils, not deep layers.
Edition 2002-01-14

Procedure to obtain samples for the determination of environmental radioactivity. Analytical methods. Part 2: Rest beta activity index in water by proportional counter.
Edition 2003-05-30

Procedure to obtain samples for the determination of environmental radioactivity. Analytical methods. Part 3: Determination of 89Sr and 90Sr concentration in soils and sediments.
Edition 2004-12-17

Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter
Edition 2013-09-11

Practical Methods to Obtain Free-Field Sound Pressure Levels from Acoustical Measurements Over Ground Surfaces
Edition 2020-12-21

Test Method to Obtain Lug-Up Torque Data for Heavy-Duty Truck and Bus Engines
Edition 2001-04-25