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公开(公告)号：US1629596A
公开(公告)日：1927-05-24
申请号：US5497225
申请日：1925-09-08
Applicant: ERNST STOCKER
Inventor： ERNST STOCKER
IPC: E05F1/10
CPC classification number: E05F1/1008 , E05Y2201/482 , Y10T16/585
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