GB/T 12459  等径三通 DN 1200-Sch100TSH40s-1.0fhpampampamp

DN 1200-Sch100 TSH40s-1.0fhpampampamp

法兰 WN100-300 RF B=87.32

A16040NRFRп©б╘п╠Б∙≤п©Б√▓

WN80-600RF RF b750 rf6w-1f

PL50-16RJc516 rf.6-150 RF-1500-1&8s=

5 FF 1650-6.42

bl50-600 fm2925T/3.0(b

lwn250-600rf sch RF78am150-0.6

BI 70