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公开(公告)号：US3231759A
公开(公告)日：1966-01-25
申请号：US24450062
申请日：1962-12-13
Applicant: SIEMENS AG ALBIS
Inventor： KARL SCHMUTZ , PIERRE PREBANDIER
CPC classification number: G01S13/422 , G01S13/66 , H03K4/02
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