GB/T 12459  管帽 DN 1500-Ⅱ-5.5C RFF15F-3.6/

DN 1500-Ⅱ-5.5 C RFF15F-3.6/

SO50-150RF.5-210/uR RF09qu2ampam=695

hhg/@WN100(B)-16 RF S=6

SO32(B)-16 RF d=78/

SO100-150RFFS5/592-20-300

BL50-25 M C==Sf sc

BL80(A)-16 T h=70F0rfrf2-2009-16000050 s=562

PL25-40 FM Rb=4 AA=1/0RF2R/u001/r060 &a2/

BL25-6