HG/T 21574  吊耳 SP-50-40203

SP-500-40203hg20592

47023 m1000-1.6/f

BI 1000 H3000.cF/0fmsch40-63 HG/T20592-2sch40 s=4.2rf s=40-1.6 δ0=12MN350-6

PL50(A)-10 RF800S5056 SCH80ss6040F

PL 100(B)-10 RFRFSquotF S=4

SO 100-150 RF

SO40B-25G b=3

47023 m1300-1.0/500

wn32-300 rf s/4/j

WN 3&q