อื่น ๆ
เอกสารมาตรฐาน
สหรัฐอเมริกา
AASHTO
M 133-12 (2020)
Preservatives and Pressure Treatment Processes for Timber
2012 (2020)
6
HM42-2022 part 1
This specification covers the wood preservatives, the preservative treatment processes, the results of treatment, the inspection and testing of preservatives and of treatment, and the identification of properly treated timber.