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公开(公告)号：US3169281A
公开(公告)日：1965-02-16
申请号：US7621360
申请日：1960-12-16
Applicant: CLEMENTS JR JOHN W , STS F
Inventor： CLEMENTS JR JOHN W , STS F
CPC classification number: E06B3/5842 , A47B96/201 , A47B96/206 , A47B2096/207
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