METAL FITTING FOR SLATE ROOFING AND METAL FITTING FOR CORRUGATED ROOFINGPROBLEM TO BE SOLVED: To eliminate play, by forming the lower fixing parts at both right and left side ends of the upper fixing part in which projected hook bolts at the top of a slate roof are inserted and rotatably ...
METAL FITTING FOR SLATE ROOFING AND METAL FITTING FOR CORRUGATED ROOFINGPROBLEM TO BE SOLVED: To eliminate play, by forming the lower fixing parts at both right and left side ends of the upper fixing part in which projected hook bolts at the top of a slate roof are inserted and rotatably ...