专利国别 | 1 |
专利名称 | 1 |
专利号 | 1 |
标准国别 | USA |
标准类别 | ASTM |
标准名称 | Standard Specification for Rigid Polyurethane Foam for Use as a Standard Material for Testing Orthopaedic Devices and Instruments |
标准号 | ASTM F1839- 08 |
标准年份 | 2012 |
标准链接 | http://www.astm.org/Standards/F1839.htm |
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