China Railway Seventh Group Co., Ltd

Chine

 
Quantité totale PI 15
Rang # Quantité totale PI 100 353
Note d'activité PI 2,3/5.0    30
Rang # Activité PI 25 716

Brevets

Marques

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0 0
15 0
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Dernier brevet 2024 - Inner and outer formwork trolley...
Premier brevet 2023 - Bearing platform cofferdam syste...

Derniers inventions, produits et services

2023 Invention Method for transplanting tree into park square. A method for transplanting a tree into a park squ...
Invention Construction formwork for arc-shaped overhanging eave of building. A construction formwork for an...
Invention Fixing device for copper waterstop at construction joint of inverted siphon having "three-pipe on...
Invention Inner and outer formwork trolley for buried culvert of concrete structure, and construction metho...
Invention Through-type transverse slide rail construction basket for external wall construction of building...
Invention Curtain wall construction platform. A curtain wall construction platform, which comprises a beari...
Invention Hydraulic tunnel open-cut structure external mold formwork and construction method. Disclosed in ...
Invention Construction method for replacement in stages of combination turnouts in large operation line mar...
Invention Continuous-beam-support-method-based one-time cast-in-place construction method. Disclosed in the...
Invention Large-section railway tunnel surrounding rock stability control method. A large-section railway t...
Invention Rubber rod drawing device for box girder prestressed pipelines. A rubber rod drawing device for b...
Invention Mounting device for hoisting rod pallet and hoisting rod nut of girder crane. A mounting device f...
Invention Positioning reinforcing mesh for prestressed duct, and construction method therefor. A positionin...
Invention Integral hoisting device for beam transportation vehicle. An integral hoisting device for a beam ...
Invention Bearing platform cofferdam system suitable for repairing bridge pier of existing bridge. A bearin...