E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
E04G21/14—Conveying or assembling building elements
E04G21/16—Tools or apparatus
E04G21/18—Adjusting tools; Templates
Landscapes
Engineering & Computer Science
(AREA)
Architecture
(AREA)
Mechanical Engineering
(AREA)
Civil Engineering
(AREA)
Structural Engineering
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Butt Welding And Welding Of Specific Article
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Conveying And Assembling Of Building Elements In Situ
(AREA)
Dispositif amovible, rabattable et pliable, forme d'un gouvernail et d'un greement suspendu, qui permet a tout engin flottant de devenir un voilier de type trimaran meme en pleine activite flottante