HG/T 20592  法兰盖 BL 250-63 RF B2BR7.16

BL250-63RF B2BR7.16

PL 250(B)-10 RF70 h=160.6f-

SO3"-600 RF sаё°аёҗ

SO 40-10RFFM626lF2@4@40175 s/F20cF&@�88896MnR RF D=1750-0.-1RFRF400-

SO 450(B)-16 RF N= D= f1= n= L= C= H= R

pl50(b)-40mf

BL800-16FMmpc-

SW 15(B)-16 RFRF0M1200bSc/9R4FF0