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公开(公告)号:US3020923A
公开(公告)日:1962-02-13
申请号:US81349159
申请日:1959-05-15
Applicant: CONTROLS CO OF AMERICA
Inventor: JOHNSON ROY W , BIERMANN WILLIAM A
IPC: F24C5/16
CPC classification number: F24C5/16 , Y10T137/6116 , Y10T137/7303
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公开(公告)号:US2822985A
公开(公告)日:1958-02-11
申请号:US48276655
申请日:1955-01-19
Applicant: CONTROLS CO OF AMERICA
Inventor: JOHNSON ROY W , BIERMANN WILLIAM A
IPC: G05D23/275
CPC classification number: G05D23/27537
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公开(公告)号:US2902578A
公开(公告)日:1959-09-01
申请号:US54506255
申请日:1955-11-04
Applicant: CONTROLS CO OF AMERICA
Inventor: JOHNSON ROY W , DUNCAN ROBERT J , BRAID KENNETH G , HEALY WESLEY P
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