HG/T 20592  法兰 SO 400-25 M п©Б∙║п©Б∙■п╠Б∙²

so400-25m п©Б∙║п©Б∙■п╠Б∙²

2 A33°1290R

NB=T47021 CFM800-0.61M

SO 300-150RF RF/ SžÃ

WN15-10 RFJchF RFRF0-18R/

1 FF 1000-0.60пҝҪ0(b5 Ca)-

2 FF 1200-1.0-C6 RF R

3 A6

LWN3/4"-300 RF

SOP FF 16K 150A1.00RF6r40S7/f0rFFRF0-60