GB/T 12459  异径三通 DN 1200×1200×1000-Sch40STR

DN 1200×1200×1000-Sch40S TR

47023 rf800-1.0 /data/src

BL500-10mA). 800-s

WN 25(B)-10 RF235(B)fm900-0

WN FF 16K 80AA)6/6b=1N20050(B3Cs b=365/ RF Sch40S

pl150-10rf 30490-4 -44/src00html00

WN15-150 RF Sch160 S=4.8

WN 50-300 RFs=�

PL50-16rfFRF2