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公开(公告)号：US1689011A
公开(公告)日：1928-10-23
申请号：US8575026
申请日：1926-02-03
Applicant: OTIS ELEVATOR CO
Inventor： PARK DAVIS MYRON
IPC: A45D44/22 , C10M105/72 , C10M109/02 , C10M135/06 , F22B29/02
CPC classification number: F22B29/026 , A45D44/22 , C10M1/00 , C10M3/00 , C10M105/72 , C10M109/02 , C10M135/06 , C10M2219/024 , C10M2290/02 , C10N2240/401 , C10N2250/10 , D06M7/00 , D06M2200/40
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