GB/T 12459  弯头 DN 300-890ES@08i0M

DN 300-8 90ES@08i0M

BI 73082

IF 15-63 FM6

SO 20-900 RF00-RF05F Sch50pa1217.5 RJj@5c2@RF

BI 76517

BI 72237

BII 25018

47023 m800-1.0/55-120

WN350-63 RF

SP-3357R Sa.5 RJ@66-RJ5-R RRF0-F@00 T5@°F S Sch4060mpampampampampa0a2/u0/�°В 0mpaf/@plFSO@4