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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
E04G23/00—Working measures on existing buildings
E04G23/002—Arrangements for cleaning building facades
E—FIXED CONSTRUCTIONS
E04—BUILDING
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
E04G23/00—Working measures on existing buildings
E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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FR374432D1906-02-101907-02-09Procédé pour l'enlèvement du salpetre mural et d'autres efflorescences analogues
ExpiredFR374432A
(fr)