北京華德4WR(Z/H)型電液比例換向閥

4WR(Z/H)10M10-30B/6A24NJEZ4D2M

4WR(Z/H)10MB10-30B/6A24NJEZ4D2M

4WR(Z/H)25WA25-30B/6A24NJEZ4D2M

4WR(Z/H)32EA32-30B/6A24NJEZ4D2M

4WR(Z/H)25WA25-30B/6A24NJETZ4D2M

4WR(Z/H)25EB25-30B/6A24NJETZ4D2M

4WR(Z/H)16EB16-30B/6A24NJETZ4D2M