GB/T 12459  偏心异径管 DN 1100×10-Ⅱ-5RE

DN 1100×10-Ⅱ-5 RE

so50(a)-300 rf.5-13 FM700-

WN 200-900 RF/HG/0 R00-1fCH8f hg

WN20B-10G3 RF Sl RFRF S

WN80-25 RF Sch30

so80-150 rf r0010sgmpMg/t00ef/u001F0 RF16 R

3 RF 700-1.0 δs=10RFS=5FG.5 /bl1fB)-rsgmpMg/t00ef/u001

SW 15-150 RF�∙╓пÂ

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