GB/T 12459  弯头 DN 80-690ES-

DN 80-6 90Es-

SO200-150 MaFH RF Sch80R��77.5 RJ FM�� SC

SO100-150 RF S

bl20-100 m3

SO 14"-150 RFCN0-

so400-150 FF S

WN100(B)-160 RJ6/u0.6f500-0.60 rf0-2.5

SO 1"-150 RFJ54 nF/@140

SOP FF 10K 50AБ─⌠е┘Б─ д⌠е╨Б─■�