GB/T 12459  等径三通 DN 500-Ⅱ-6TSff b=3500 R

DN 500-Ⅱ-6 TSff b=3500 R

BL55-40FM

法兰WN300(A)-16 FM

3 FM 700-2.5 δ0=6 RFl40rfF1

3 -FM 1700-1.6/86-205

SO40(A)-300 RFS0-25

wn 80(b)-40m5آ©ذ

SO1800-6 M�ز؛ذ ذ†�

pl40(b)-40trf c=33FF H1=0 S= AF26FM00-4.0M R83

BL32-600RjmRFpampam/01A