Détention brevets de la classe E01D 21/08

Brevets de cette classe: 18

Historique des publications depuis 10 ans

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1
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3
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Propriétaires principaux

Proprétaire
Total
Cette classe
Bright Structures Ltd
5
3
China Railway Hi-tech Industry Corporation Limited
17
2
Road & Bridge International Co., Ltd.
22
2
China Railway Jiujiang Bridge Engineering Co., Ltd.
14
2
The European Union, represented by The European Commission
207
1
Changsha University of Science & Technology
54
1
EK Heavy Industries Co., Ltd.
2
1
Shanghai Civil Engineering Co., Ltd of CREC
63
1
Sosrobahu 2 Pte. Ltd.
1
1
The First Civil Engineering Co., Ltd. of CREC Shanghai Group
16
1
China Railway Engineering Consulting Group Co., Ltd.
3
1
China Railway Shanghai Engineering Group Co., Ltd.
19
1
China Railway Shanghai Engineering Group No.5 Engineering Co., Ltd.
2
1
Autres propriétaires 0