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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 5522-1992 |
(Microfossils (ostracods gastropods wheel algae) analysis and identification method) 微体化石(介形 腹足 轮藻类)分析鉴定方法 |
China Oil & Gas Industry
Standards Microfossils |
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