HG/T 20592  法兰盖 BL 32-40 RF RF S=10 ASME B6/-2008H

BL 32-40 RF RF S=10 ASME B6/-2008H

bi700-fssc00-1.0 b30FT B rf/

47023 RF1200-6.4M1800-1.0

PL 80-25 RFinvo0-�

SO450-16RF(B)-10 RFRF16п╟п÷п╒п┴п╟п▒я┌б∙б≤п╟п÷я┌б�

WN 65-600 RF S=8

SP-8FF S=BII5sRF70-F Rc0-10rf RF