A.2 B.3 C.5 D.10
A.批準(zhǔn)號(hào) B.備案號(hào) C.發(fā)布公告號(hào) D.標(biāo)準(zhǔn)分類號(hào)
A.1%~2% B.2%~3% C.2%~4% D.3%~5%