This International Standard gives guidance on methods for sampling of both non-cohesive sand bed material and cohesive bed material (both of which may contain some fine gravel), principally for the purpose of determining the grain size frequency distrib
09-12-2024
45
مقاييس
الهيدرومترات
اختبارات
775 ج.م.
ISO 4364:1997/Cor 1:2000
متبناه
غير الزامى
17.120.20