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公开(公告)号：US3411170A
公开(公告)日：1968-11-19
申请号：US65721967
申请日：1967-07-31
Applicant: AMERICAN HOME PROD
Inventor： KINGSLEY JERROLD L
CPC classification number: A47L11/4088 , A47L11/201 , A47L11/325 , A47L11/4008 , A47L11/4011 , A47L11/4038 , A47L11/4069 , A47L11/4075 , A47L11/4077 , A47L11/4083 , H01H3/20 , H01H2009/068
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