GB/T 12459  等径三通 DN 80-5.6TSl0-

DN 80-5.6 TSl0-

PL 200(B)-16 RF00-2

BL500-10 RF15-1F/datach44FSFS1@40s/

21520PL125(B)-10RF

lwn25-600 rj sc

bl50-150 rf l=3/4&ampampampampampampamp;amp;amp;ampampampampampampam

WN50-600 RJ B=48005

so32(b)-40rf b1=c

so 20615 40a300clasi360

PL300-40M