GB/T 12459  偏心异径管 DN 1150×10-Sch10SRE

DN 1150×10-Sch10S RE

so32-40t/h40n13l1=172/4F-4rf

LF/se100-150FF

WN 15-150 RF47021-1.00 R

BL150-150RF|022Cr175/6=20 b=u0H16085kbapampquothg20615 wn450-600rj&

PL 250(A)-6RF/sch4sch40 db)-�¢b)f0rf a=300S/00(b)-1/RFN

pl00(b)-10rf hg/ PL400(B)am

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