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Global patents

철근커플러 미국 특허증

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  • 2024.12.12 Busan Marina Business Center On-site_Non-slip rebar coupler (ROC-S1)
  • 2024.10.31 Sanha E&C_Non-Slip Coupler (ROC-S1) Construction Site
  • 2024.05.29 Doo Ri E&C Construction Site_Non-Slip Rebar Coupler ROC-S1
  • 24.05.16 SESUNG INDUSTRIAL CONSTRUCTION_ROC-A7_One touch Rebar Coupler
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