Shanghai Construction Fourth Construction Group Co., Ltd

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Quantité totale PI 15
Rang # Quantité totale PI 103 114
Note d'activité PI 2,1/5.0    15
Rang # Activité PI 56 673

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Dernier brevet 2023 - Method for safety early warning ...
Premier brevet 2021 - Demolition and removal device fo...

Derniers inventions, produits et services

2022 Invention Method for safety early warning for construction site personnel. 12121231231020102020 are determi...
2021 Invention Horizontal material conveying apparatus. A horizontal material conveying apparatus, comprising a ...
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