GB/T 12459  弯头 DN 1000-Ⅱ-1245EL=64150RF

DN 1000-Ⅱ-12 45EL=64150RF

2 A61=10=p0 SFM Scd=2 R

3 M 800-1.800-1.0/60-F65-40=

PL300(b)-10rf b=30-0

pl400-25rj5ch RF6rf40

SO 50-300 FM80 S/6r=5.0g0rf3612m/RF5/10M450u0/= R.

47023 fm500-2.5/ch40S6RS/73052516RF16110N1501

LWN50-600 RF B=50.8 H= L

WN3