GB/T 12459  弯头 DN 350-SCH40S90ES/ S-1. RF rf s

DN350-SCH40S-90ES/ S-1. RF rf s

WN350-16M

DN25/PN16/13B/Rc404.ch8Sch80SRF��(2�

BL(S) 150(A)-16 M

BL 300150(B)-16 RF

WN80A)-16RF S=4/2mpaS Rpamp 1200

LWN 80-300 RF B=76.2 Y=52

PL20-16RF00RF4

wn32-63rf RF RF/500-.5rf-pampampam

21520PL500(B)-10RF0