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公开(公告)号:EP3983221A1
公开(公告)日:2022-04-20
申请号:EP20732204.1
申请日:2020-06-10
申请人: Construction Research & Technology GmbH
发明人: XU, Hang , ZHOU, ShengZhong , XI, Bang Wei , LIU, Xi Tao , WANG, Li Xia , ZHAO, He Meng , FEICHTENSCHLAGER, Bernhard , HIRSEMANN, Stefan
IPC分类号: B33Y10/00 , B33Y70/10 , B33Y80/00 , B29C64/106 , C04B28/04 , C04B26/16 , C04B28/02 , B28B1/00 , C04B7/02