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公开(公告)号：US3246363A
公开(公告)日：1966-04-19
申请号：US33172963
申请日：1963-12-19
Applicant: ROGAS JOHN A , OLSON ALBERT E
Inventor： ROGAS JOHN A , OLSON ALBERT E
IPC: E05F1/08
CPC classification number: E05F1/16 , E05D13/1276 , E05Y2201/482 , E05Y2900/132 , Y10T16/568 , Y10T16/641
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