GB/T 12459  弯头 DN 65-6.3590ES0-146/72-1702 S

DN 65-6.35 90ES0-146/72-1702 S

PL40B-10RF83/=44025 K=950 LF

WN80(B)-16 RF S=54h80sach4l=52RfRF

3M 900-1´=1/0Fampamp

SO 250-6 RF RF6/151

pl50(a-6ff/8F51.01=1.0R0(A)

PL40-2.5 RF/u00F260m5M6.35 H

BL 450-900 RF rf1000-1f0RF3R16 RFampamp=4ch40/N16RF0

PL1