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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39314-2020 |
General technical directives for aluminum alloy plaster investment casting 铝合金石膏型铸造通用技术导则 |
China National Standards General technical directives |
 English PDF |
| GB/T 15000.1-1994 |
Directives forthe work of reference materials(1)--General rules for description of reference materials in technical standards 标准样品工作导则(1) 在技术标准中陈述标准样品的一般规定 |
China National Standards General technical directives |
English PDF |
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