PROTECTIVE FENCE, METHOD FOR INSTALLING PROTECTIVE FENCE, AND METHOD FOR REPLACING FLOOR SLAB
To shorten a traffic regulation period required for fixing a guard fence.SOLUTION: A guard fence 1A partitioning a road 50 formed by floor slabs 21, 22, 23, 24 includes: the floor slabs 22, 23; a guard fence part 10A partitioning the road 50; a floor slab through-hole part 20h vertically penetrating...
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Format: | Patent |
Sprache: | eng ; jpn |
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