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公开(公告)号：US2737415A
公开(公告)日：1956-03-06
申请号：US33392953
申请日：1953-01-29
Applicant: ELSA WHEELER NICHOLSON
Inventor： MALCOLM WHEELER-NICHOLSON
IPC: B05B7/20
CPC classification number: B05B7/201 , Y10S239/14
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