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公开(公告)号:CN112716141B
公开(公告)日:2022-02-25
申请号:CN202110022196.4
申请日:2021-01-08
Applicant: 滨州职业学院
Inventor: 李莉 , 纵绚 , 纵兆松 , 王建花
IPC: A47B19/10 , A47B19/06 , A47B97/00 , A47B95/00 , A47L11/00 , G09B19/00