GB/T 12459  同心异径管 DN 65×25-Ⅱ-6RC

DN 65×25-Ⅱ-6 RC

BL30-150RF=ch40sF5/000000chRF-Rï؟�@F0s SCH10500ervletM00@aF0

BL1200(A)-16RFRF S=

WN 100(B)-100 RJ Sch100-1656

WN200(B)-100FM0(B5 &

BL650-10 RFjF-R�FJ Sch80SF RF RF@F4(a=22540Rampamp

PL200(B)-6RF=-25

PL135-16RFn300-5h8

SO 200(