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公开(公告)号:US3356788A
公开(公告)日:1967-12-05
申请号:US32478363
申请日:1963-11-19
Applicant: ALUMINUM CO OF AMERICA
Inventor: CALLAHAN THOMAS W , DUFFY EDWARD K
IPC: H02G15/064 , H02G15/103
CPC classification number: H02G15/064 , H02G15/103
公开(公告)号:US3356788A
公开(公告)日:1967-12-05
申请号:US32478363
申请日:1963-11-19
Applicant: ALUMINUM CO OF AMERICA
Inventor: CALLAHAN THOMAS W , DUFFY EDWARD K
IPC: H02G15/064 , H02G15/103
CPC classification number: H02G15/064 , H02G15/103