HG/T 20615  法兰盖 BL 150(B)-150 RFundefined0 RFh40 RF25-1100-05Rf

BL150(B)-150RFundefined0 RFh40 RF25-1100-05Rf

pl100b)-16rf b0S=12

PL450(B)-10 RF b=300-2

SO 125-150RF-1 PL10040SRJu00c

SO 150-150 M/00

PL450-6 rf

BL50-100MB)-2´=

BL 40-150 RFRFF RF)-16RF6RF,S=6 RF)-16/

WN350-300 RF HG4-conf

wn40(B)-300 RF s-1056/1