Injury prevention and precision fixture of the hollow member to be used for hollow slabs

The present invention relates to a device for injury prevention and precision fixing for a hollow member used for a hollow slab. In the device for injury prevention for a hollow member for a hollow slab, an angle bar coupling hole perforated in the upper portion of a vertical shaft of a fixed tool i...

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Bibliographic Details
Main Authors BYEON, CHEON SUB, KANG, HYUN WOOK
Format Patent
LanguageEnglish
Korean
Published 04.05.2018
Subjects
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