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公开(公告)号：US2680875A
公开(公告)日：1954-06-15
申请号：US26303051
申请日：1951-12-24
Applicant: MENGEL COMPANY
Inventor： COFFEY WAYNE M
IPC: E05D15/06
CPC classification number: E05D15/063 , E05Y2201/64 , E05Y2201/702 , E05Y2600/20 , E05Y2600/626 , E05Y2900/132 , Y10T16/3834
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