HG/T 20592  法兰 WN 400-25 RF=807880rfFM17000 R

WN 400-25RF=807880rfFM17000 R

WN 40-300 RF897Sch40s0-1.ムRFFa6125m0/1H=1810p-

WN250-100 RF Sch40=25G=T2

WN 300(B)-16 RF A

WN100-600RF sch80 b=40-1.

PL32(B)-10RF HR)-16 RF0 RF-2

WN350-150 RFT51.6/70-145F

支腿 A2-700-10F.0rf=5/M023FSCH60Sch8/-1

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