GB/T 12459  弯头 DN 40-Sch4090EL00 C6

DN 40-Sch40 90EL00 C6

BL 150(A)-40 RF

47065.2 A2

WN 10-600 RF15

WN 15(B)-40 RF S=3

BL400B-16RF b=9

so500b)-16rf��ฺฏ

4 A2

SO 40-300 RFampampampamp D=305RF@08

WN 15(B)-16 RF S=3-0SRF tf=11.7 Y=155.050c=1255(B)-16 RF34Fm�7.5(A)-16 RF0‘خ�)