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公开(公告)号：US2843376A
公开(公告)日：1958-07-15
申请号：US53830255
申请日：1955-10-04
Applicant: ROBOT APPLIANCES INC
Inventor： OSUCH FRANCIS J , KENNETH KRAKE
IPC: E05F15/12
CPC classification number: E05F15/63 , E05Y2201/236 , E05Y2800/11 , E05Y2900/132
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公开(公告)号：US2843695A
公开(公告)日：1958-07-15
申请号：US62719456
申请日：1956-12-10
Applicant: ROBOT APPLIANCES INC
Inventor： OSUCH FRANCIS J , KENNETH KRAKE
IPC: H01H3/14
CPC classification number: H01H3/141
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