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公开(公告)号:US2917644A
公开(公告)日:1959-12-15
申请号:US64765857
申请日:1957-03-21
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: LAFFOON CARTHRAE M , MOSES GRAHAM L
公开(公告)号:US2917644A
公开(公告)日:1959-12-15
申请号:US64765857
申请日:1957-03-21
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor: LAFFOON CARTHRAE M , MOSES GRAHAM L