Ultralight repair ferrule for gluing special cracks formed in rigid metal structures, has tensioning device for tightening plastic band with respect to F-hole of coating instrument with removed cover for gluing cracks in metal structure
摘要
<p>The ultralight repair ferrule includes a tensioning device for tightening a plastic band (B) with respect to the F-hole of a coating instrument with removed cover for gluing cracks in a metal structure.</p>
