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公开(公告)号:US3277231A
公开(公告)日:1966-10-04
申请号:US33849764
申请日:1964-01-17
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F , FERRARIS JOHN T
CPC classification number: H01B7/0072 , A47L9/24
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公开(公告)号:US3211823A
公开(公告)日:1965-10-12
申请号:US8956061
申请日:1961-02-15
Applicant: ELECTROLUX CORP
Inventor: BROWN RAYMOND L , DOWNEY DAVID F
CPC classification number: A47L9/24 , B29L2023/005 , H01B7/0072
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公开(公告)号:US3421298A
公开(公告)日:1969-01-14
申请号:US3421298D
申请日:1967-03-28
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F
CPC classification number: A47L9/1454 , B65D31/14 , Y10T137/7898
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公开(公告)号:US3226758A
公开(公告)日:1966-01-04
申请号:US28297363
申请日:1963-05-24
Applicant: ELECTROLUX CORP
Inventor: BROWN RAYMOND L , DOWNEY DAVID F
IPC: A47L5/26
CPC classification number: A47L5/26
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公开(公告)号:US3200433A
公开(公告)日:1965-08-17
申请号:US29083363
申请日:1963-06-26
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F
CPC classification number: A47L9/0411 , A47L11/30 , A47L11/4041 , A47L11/4069 , A47L11/4083 , A47L11/4094
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6.Current conducting rotatable airflow coupling for a vacuum cleaner 失效
Title translation: 用于真空清洁器的电流导管可旋转气流接头公开(公告)号:US3470521A
公开(公告)日:1969-09-30
申请号:US3470521D
申请日:1967-09-22
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F
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公开(公告)号:US3383030A
公开(公告)日:1968-05-14
申请号:US56478366
申请日:1966-07-13
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F
IPC: A47L9/14
CPC classification number: A47L9/1454 , Y10S55/02 , Y10T137/7845
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公开(公告)号:US3351363A
公开(公告)日:1967-11-07
申请号:US42050164
申请日:1964-12-23
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F , FERRARIS JOHN T
IPC: A47L9/24
CPC classification number: A47L9/244
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公开(公告)号:US3300571A
公开(公告)日:1967-01-24
申请号:US45665565
申请日:1965-05-18
Applicant: ELECTROLUX CORP
Inventor: DOWNEY DAVID F , MOUGHTY JOHN J
CPC classification number: A47L9/24 , H01B7/0072
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公开(公告)号:US3327049A
公开(公告)日:1967-06-20
申请号:US35899764
申请日:1964-04-13
Applicant: ELECTROLUX CORP
Inventor: BROWN RAYMOND L , DOWNEY DAVID F
CPC classification number: A47L9/2889 , A47L9/248 , A47L9/2868 , H02G11/003 , Y10T24/3427
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