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公开(公告)号：US2524980A
公开(公告)日：1950-10-10
申请号：US3615248
申请日：1948-06-30
Applicant: ANTON KRESHECK VLADIMIR
Inventor： ANTON KRESHECK VLADIMIR
IPC: E05F5/08
CPC classification number: E05F5/08 , E05Y2201/212 , E05Y2201/264 , Y10T16/6295
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