HG/T 20592  法兰 IF 800(B)-25 RF,S30408,HG/T20592

IF800(B)-25RF,S30408,HG/T20592

WN 10"-150 RF Sch40S0615 WN400-600R�آ£ط¢آ

PL125-16RFF=5S=6HG/

WN 40(B)-25 RF S=60s5940F=5

WN 25(B)-16 RF S=340SRF S=4

PL15-16RFB sc00/RF A=38

SO 25(B)-10 RF)-6 RFp1 S=1400 M

3 RF 1600-4.0-0F@W�2005900 RF