GB/T 12459  弯头 DN 150-890ESpampa0-25rf-h/70-1h600

DN 150-8 90ESpampa0-25rf-h/70-1h600

WN20-150RF2ch40SRF─

21520PL200(B)-10RF.63*2h

WN 40-150 RF B=3 RF(b)-16rIMf0-3¨آ°ذ¨ز¹ذ¨ر‍ذ’آ©ذ¨آ

3 B3rFampa

SO 15-300RF

DN450-Sch40 90EL/0tmlDS40/64

PL40-16RF6FFF-15 C47=)-1

SW 25-150 RFSCH60 R