HG/T 20623A  法兰盖 BL 950-300 RFB)-25

ABL950-300 RFB)-25

bl 150-300 RF

WN 80-150 RF S=50 RF S=740sch80S/daS=5ذ°ذ@5@3@0R0e@4�0 RF Sch80SRF-R0M2FF@P2@Fj@5@F S640SR0 RF Sch1

SO 15(B)-16 RF1

wn50-300rf20RFSJ15

20592pl80-40rf/9

wn80b-10t/mpF

WN200-10G25RF)-1.

WN RF 10K 15A S=4

WN200(B)-