实施日期:2012-01-31
Destructive tests on welds in metallic materials. Etchants for macroscopic and microscopic examination
发布日期:2014-08-31 实施日期:2014-08-31
发布日期:2014-05-01 实施日期:2014-05-01
Standard Guide for Preparation of Aluminum Surfaces for Structural Adhesives Bonding (Phosphoric Acid Anodizing)
适用范围:<p>Durable adhesive bonds between metal to metal, metal to composites can be obtained reliably only through proper selection and careful control of the materials used and the steps in the bonding proce...
实施日期:1998-05-10
Standard Guide for Electrolytic Polishing of Metallographic Specimens
适用范围:<p><span class="italic"><span class="italic">Advantages of Electrolytic Polishing</span>: </span> <p>For some metals, a high quality surface finish can be produced that is equivalent to, or better than...
实施日期:2009-05-01
Produkte zur Aufbereitung von Wasser fuer den menschlichen Gebrauch. Phosphorsaeure Chemicals Used for Treatment of Water Intended for Human Consumption-Phosphoric Acid Produits chimiques utilises pour...
适用范围:This European Standard is applicable to phosphoric acid used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding...
实施日期:2004-02-06
发布日期:2015-11-19 实施日期:2015-11-19
Fuel cell technologies. Part 3-200:Stationary fuel cell power systems. Performance test methods
适用范围:IEC 62282-3-200:2011 describes how to measure the performance of stationary fuel cell power systems for residential,commercial, agricultural and industrial applications.
实施日期:2011-10-19
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