HG/T 20592  法兰盖 BL 80(B)-40 T-°26

BL80(B)-40T-°26

LWN50-300 RF H=7511RF0-16rf0 R0RF@F250 LM FF-10@40@4F@00 T5@5@PFR�S=14m85n

SO 250(B)-16 FM0FFRFB�

BL 500-16 RF=20

PL 300(B)-16 RF--1RF0sc@S/2@ RF5 RJ RFpa00RF�ï��ÃF�/0SF0J�6data@f2s1�

47023fm2400-1.63

WN 600-150 RFa