HG/T 20592  法兰 PL 32 (B)-16 RFh4p55-R@0000O0@0F00S

PL32 (B)-16RFh4p55-R@0000O0@0F00S

3 FM 550-0.65

WN200(B)-16 RF

SW 15(B)-63RJ

2 A4369

BI 406�&a

WN 50-150 RF2255

PL650-16RF

1 RF 350-1.6 δs=5

SO 50-150 THG12400-R0F=4RFWB��“bl80-150 rf0R@4MRF@RF@7840StB)-63 RF S=8BL RF=1543RF@AFF@P2@Fj@5@R