GB/T 12459  异径三通 DN 25×25×10-Sch40STR

DN 25×25×10-Sch40S TR

wn150-600rf sch=0 RF0/ B

BI 60000L150(rfG1.0 R=508 N=34=8f

SO 25-100 Mf RF(6any/24F3)-40

B WN800-300 RF��

wn50(a)-40 rfะฒา–โ€œะ�

1 RF 1100-1 δs=6mpampNR009 WN150-30

DN 1500×1500×1050-Sch60 TR

wn900-16ff2S