本人收集的部分印度规范,英文版,需要的同志不要客气。1、IS 383-1970 Specification for coarse and fine aggregate from natural sources for concrete
1、IS 383-1970 Specification for coarse and fine aggregate from natural sources for concrete
本人收集的部分印度规范,英文版,需要的同志不要客气。1、IS 383-1970 Specification for coarse and fine aggregate from natural sources for concrete
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