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公开(公告)号：US1929640A
公开(公告)日：1933-10-10
申请号：US64821032
申请日：1932-12-21
Applicant: GUIDO KLARENAAR , BERNHARD FRANZ
Inventor： GUIDO KLARENAAR , BERNHARD FRANZ
IPC: B60Q1/124
CPC classification number: B60Q1/124
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