| 标准编号 | DIN 50449-1 (1997-07) (Withdrawn) |
| 标准名称 | Testing of materials for semiconductor technology - Determination of impurity content in semiconductors by infrared absorption - Part 1: Carbon in gallium arsenide |
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| 发布日期 | 1997-07-01 |
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| 前言 | |
| 无 |
