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Patent Name：


Post-tensioning mono coupler

Anchor head pre-stressing measure system.










mono_coupler600_860



stressing_measure_system600_860

















Patent Name：
Patent Name：
Patent Name：

Automatic tapping machine
Steel cable anti-loosening device
Extruded coupler






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Patent Name：
Patent Name：
Patent Name：

Prestressed post-tensioning system device
The improvement method on the structural strength of wedge, extruded grip sleeves and anchors head
Prestressed post-tensioning modular system device






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Patent-002

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