EXPANSION JOINTING APPARATUS EASY TO MAINTAIN AND REPAIR AND HAS BOTH END SUPPORT TYPE PARALLEL CONNECTION MEMBERS
The present invention relates to an easy-to-maintain expansion joint apparatus having both end-supported parallel connection members, which can implement a simple and stable support structure in which both ends thereof are supported, to completely eliminate the problems related to the unstable struc...
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Format: | Patent |
Sprache: | eng ; kor |
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