HG/T 20592  法兰盖 BL 150-16 RF-1.)-150rf00-150 R 1-RF

BL150-16 RF-1.)-150rf00-150 R 1-RF

B WN800-150RF S=15

wn300-150rf b=303h4

PL200(B)-25M0=6F-Fذ آ

BL 25-25 RF RJ Sch40S.0009 SO32(B)-1

BI 700ذ°ذ�F RF16516 gSRF00FFtF Sch10RFSchScF&@RJ���RF�В ШўВ°Ш°ШҢ

SO 65(B)-16 RF B=62

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