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公开(公告)号：US2916635A
公开(公告)日：1959-12-08
申请号：US58800756
申请日：1956-05-29
Applicant: SPECIALTIES DEV CORP
Inventor： NICITA CHARLES A
IPC: H02P23/00
CPC classification number: H02P23/16 , F05B2220/50
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