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公开(公告)号：US3300900A
公开(公告)日：1967-01-31
申请号：US41996564
申请日：1964-12-21
Applicant: LOUP ENGINEERING COMPANY
Inventor： GEORGE RISK , ROOT RAYMOND C , SOTIR JOSEPH E
CPC classification number: E05D7/081 , E05D7/02 , E05Y2900/132 , E06B1/52 , E06B2007/365
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