GB/T 12459  等径三通 DN 800-Sch10STS δ=25

DN 800-Sch10S TS δ=25

20590 PL150-40RF

1 M 1600-0.25 δs=10

20590 PL150-10RF

SO 80(B)-25 RF

WN 80-600 RFampampampampampa

SP-3 DN=600 δ=6

SO 250(B)-16 RF

BL300-300 M

WN 50-150 RF Sch40S/data80F Sch4S=3/1jXSffFF 0=10CHR50-6RFFc/5RFhF�ï��ÃF�