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公开(公告)号：US2011471A
公开(公告)日：1935-08-13
申请号：US69987433
申请日：1933-11-27
Applicant: CLUM MFG COMPANY
Inventor： CASAGRANDE LOUIS B , BONNESS PAUL H
IPC: A61H15/00
CPC classification number: A61H15/0092
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