HG/T 20592  法兰 PL 32-16 RFN RF H RF0-30/u0071@°F5@P RF40RF�90h10SRF RF SchXSfF-R

PL 32(A)-16 RFN RF H RF0-30/u0071@°F5@P RF40RF�90h10SRF RF SchXSfF-R

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pL 400(B)-25 RF™آa80RF)B)

PL500A-10RF

PL100(B)-16 RF406803S5 KRF Sch12

BL80-150 RFFcla1.6FRj RS

WN100(b)-16 RF S=5

wn400-63 rj

2 RF 750-1.¤7325