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公开(公告)号：US3540436A
公开(公告)日：1970-11-17
申请号：US3540436D
申请日：1968-12-27
Applicant: FRED HUEFTLE JR
Inventor： HUEFTLE FRED JR
IPC: A61H1/02
CPC classification number: A61H1/0237 , A61H1/0262 , A61H2201/1215 , A61H2201/1418 , A61H2201/1635 , A61H2201/164 , A61H2201/1676
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