GB/T 12459  弯头 DN 65-290ELRum3

DN 65-2 90ELrum3

PL 100(B)-16 RF B=114 f1=4

WN 50(B)-16 RF1591

WN80(B)-16 RF43276

WN 32(B)-160 RF S=1011000Fmp1-Sc 90EL80

BL 120-25 RFfmFLS�6≥51

PL1000B-2.5RF(b330S60@t0A2800F@RF5c2@RF@443RFfRFDh1n5@40J250FBB5 R5 RJ2�1@50A16.F5 RJB

BⅡ1554

BL