"subbases" CNS Standards List| Metric Taps | Welding allied | Studs Stud | Dental explorers | Foot leg | Methods determination | Method Test | Information technology | |
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CNS 15358
2021 Edition Standard specification for graded aggregate material for bases or subbases for highways or airports 公路或機場底層、基層用碎石級配粒料 |
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