法兰 WN 15(B)-40 RF s=20=1/RF Sch4/�â½ãƒâ�
  • 公司名称:
  • 打印网址:https://flcad.com/@wn15(b)-40rf s=20=1/RF Sch4/�â½ãƒâ�
  • 16ф362ф410ф460
    ф301.9ф530R1218R12≥11.0140ф372ф323.952