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公开(公告)号：US2525309A
公开(公告)日：1950-10-10
申请号：US78721947
申请日：1947-11-20
Applicant: RAYNOR MFG COMPANY
Inventor： NORBERG WILLIAM A
CPC classification number: E05D15/242 , E05D15/165 , E05Y2201/688 , E05Y2201/706 , E05Y2600/33 , E05Y2800/412 , Y10T16/381 , Y10T16/3831 , Y10T16/522
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公开(公告)号：US2442309A
公开(公告)日：1948-05-25
申请号：US64461746
申请日：1946-01-31
Applicant: RAYNOR MFG COMPANY
Inventor： NORBERG WILLIAM A
CPC classification number: E05D15/24 , E05D15/165 , E05Y2900/132 , Y10T16/364
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