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公开(公告)号：US2059858A
公开(公告)日：1936-11-03
申请号：US2381335
申请日：1935-05-28
Applicant: ERNST FRANK R
Inventor： ERNST FRANK R
IPC: A47K10/10
CPC classification number: A47K10/10 , A47K2201/02
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