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公开(公告)号：US2694214A
公开(公告)日：1954-11-16
申请号：US40211854
申请日：1954-01-04
Applicant: JOSEPH HAMMER
Inventor： JOSEPH HAMMER
IPC: E05D15/24
CPC classification number: E05D15/24 , E05D13/1215 , E05Y2201/684 , E05Y2600/626 , E05Y2900/106 , Y10T16/381
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