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公开(公告)号:US1757240A
公开(公告)日:1930-05-06
申请号:US15646426
申请日:1926-12-22
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , FREDRIK CARLSTEDT
IPC: A47L5/36
CPC classification number: A47L5/362
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公开(公告)号:US1901497A
公开(公告)日:1933-03-14
申请号:US28666328
申请日:1928-06-19
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , DANIEL BILDE TORD ERIK
IPC: A47L11/16
CPC classification number: A47L11/4038 , A47L11/16 , A47L11/4069 , A47L11/4088
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公开(公告)号:US1777662A
公开(公告)日:1930-10-07
申请号:US31356628
申请日:1928-10-19
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , DANIEL BILDE TORD ERIK
IPC: D06F37/36
CPC classification number: D06F37/36 , D06F2700/05
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公开(公告)号:US1799962A
公开(公告)日:1931-04-07
申请号:US32447528
申请日:1928-12-07
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , DANIEL BILDE TORD ERIK
IPC: A47L11/16 , A47L11/164 , F16H29/04
CPC classification number: A47L11/4038 , A47L11/16 , A47L11/164 , A47L11/4069 , A47L11/408 , F16H29/04 , Y10S15/06
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公开(公告)号:US1781542A
公开(公告)日:1930-11-11
申请号:US31457428
申请日:1928-10-24
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , ANDERS ERIKSSON-JONS
IPC: A47L7/04
CPC classification number: A47L7/04
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公开(公告)号:US1958658A
公开(公告)日:1934-05-15
申请号:US41095029
申请日:1929-12-02
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , DANIEL BILDE TORD ERIK
IPC: A47L11/16 , A47L11/164 , F16H29/04
CPC classification number: A47L11/4038 , A47L11/16 , A47L11/164 , A47L11/4069 , A47L11/408 , F16H29/04 , Y10S15/06
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公开(公告)号:US1903987A
公开(公告)日:1933-04-18
申请号:US31231428
申请日:1928-10-13
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , ERIK AHNSTROM
IPC: D06F15/00
CPC classification number: D06F15/00
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公开(公告)号:US2041748A
公开(公告)日:1936-05-26
申请号:US54386831
申请日:1931-06-12
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , ANDERS ERIKSSON-JONS
IPC: A47L11/40
CPC classification number: A47L11/4005 , A47L11/4008 , Y10S15/10 , Y10T74/20006
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公开(公告)号:US1792007A
公开(公告)日:1931-02-10
申请号:US15646626
申请日:1926-12-22
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , FREDRIK CARLSTEDT
IPC: A47L9/00
CPC classification number: A47L9/009
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公开(公告)号:US1770749A
公开(公告)日:1930-07-15
申请号:US28818828
申请日:1928-06-25
Applicant: INVENTIA PATENT VERWERT GES
Inventor: OLOF ENGBERG AXEL , DANIEL BILDE TORD ERIK
IPC: A01K13/00
CPC classification number: A01K13/002
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