GB/T 12459  偏心异径管 DN 1400×1100-10RE010-58ch80ch1mpa

DN 1400×1100-10 RE010-58ch80ch1mpa

SO200(A)-6 RFh10) S=S=

LF/SE 150-600 RF0 rf Sch80SFF=

PL200(b)-2.5RF304400315

awn750-150 rf108 S=4

LWN 32-300 FF Sch80S80F=3.5RF9I

SOP FF 10K 40AJ=0 FM S65HG/T205

PL225-10 RFn 450

WN100(B)-16 RF C=20fm500-1.0RF

PL2