GB/T 12459  弯头 DN 250-990ES

DN 250-9 90ES

SOP FF 10K 40A���@F3Fch8�04@n L°FSFS1RF�04@n

SO 800-10 RF

WN32(A)-150RF=120.7 d=15

BL 500-10 RF-20FRF.6

WN 80-150 RF B=77.70eb

BI 800-10 RFfδn=6 H0=17-1“ز“

wn4000B-25rf5g/t 20s5 hg=16 B=2h���H-8 S=3fS15

WN15(A)-16