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公开(公告)号：US1865925A
公开(公告)日：1932-07-05
申请号：US36856029
申请日：1929-06-05
Applicant: KUNDE JOHN E
Inventor： KUNDE JOHN E
IPC: E05F15/12
CPC classification number: E05F15/619 , E05Y2201/244 , E05Y2201/722 , E05Y2800/11 , E05Y2900/132
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