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公开(公告)号:US2861652A
公开(公告)日:1958-11-25
申请号:US44068154
申请日:1954-07-01
Applicant: CONTROLS CO OF AMERICA
Inventor: SMALL JOSEPH M
公开(公告)号:US2861652A
公开(公告)日:1958-11-25
申请号:US44068154
申请日:1954-07-01
Applicant: CONTROLS CO OF AMERICA
Inventor: SMALL JOSEPH M