D.No. 7Z-200-00 (HYDRAULIC CYLINDER ASSEMBLY FOR HATCH COVER #1) PAGE 6-16 IKNOW MACHINERY CO., LTD .NA.NA
“COUPLER COMPLETE WITH ADAPTER & ELBOW – Rc 1/4 type: femaleA1,B1,c1,D1
” IKNOW MACHINERY CO., LTD .NA.32AAO4C-XK