HG/T 20592  法兰盖 BL 20-100 RF5G6R4Bch1606mDF5 RJ

bl20-100rf5G6R4Bch1606mDF5 RJ

WN 400-300 MF rfb)R

Wn50-300rf0xin0516 R=RFSs=

SO 200-16 RF5RF10--

so450-40rfBII

DN65-PN40 WN

so 600(b)-16ff110

BL450-600 RF

DN20-PN6 PL FF I

BL40-16T M S&FMSch80StR100 ST Sc f1001SFFذ� D=158 BB=58 C=1916rfh=28300=3;