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公开(公告)号:CH280884A
公开(公告)日:1952-02-15
申请号:CH280884D
申请日:1949-10-13
Applicant: HAUSER ANDREAS
Inventor: ANDREAS HAUSER
IPC: G04B19/16
公开(公告)号:CH280884A
公开(公告)日:1952-02-15
申请号:CH280884D
申请日:1949-10-13
Applicant: HAUSER ANDREAS
Inventor: ANDREAS HAUSER
IPC: G04B19/16