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公开(公告)号:US2044698A
公开(公告)日:1936-06-16
申请号:US61957132
申请日:1932-06-27
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: B26B21/22
CPC classification number: B26B21/22
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公开(公告)号:US2001326A
公开(公告)日:1935-05-14
申请号:US61957032
申请日:1932-06-27
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: F24C15/10
CPC classification number: F24C15/106
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公开(公告)号:US1944126A
公开(公告)日:1934-01-16
申请号:US69811133
申请日:1933-11-10
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
CPC classification number: F25D17/04 , F25D21/14 , F25D2321/1441
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公开(公告)号:US1778139A
公开(公告)日:1930-10-14
申请号:US55701522
申请日:1922-04-27
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: G03C7/22
CPC classification number: G03C7/22
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公开(公告)号:US1975427A
公开(公告)日:1934-10-02
申请号:US63097032
申请日:1932-08-29
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: C01B13/11
CPC classification number: C01B13/11
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公开(公告)号:US1975426A
公开(公告)日:1934-10-02
申请号:US62322732
申请日:1932-07-18
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: C01B13/11
CPC classification number: C01B13/11 , Y10S422/906
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公开(公告)号:US1975425A
公开(公告)日:1934-10-02
申请号:US61956932
申请日:1932-06-27
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: C01B13/11
CPC classification number: C01B13/11 , C01B2201/10 , C01B2201/22 , C01B2201/24
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公开(公告)号:US1975424A
公开(公告)日:1934-10-02
申请号:US58510132
申请日:1932-01-06
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: C01B13/11
CPC classification number: C01B13/11
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公开(公告)号:US1290359A
公开(公告)日:1919-01-07
申请号:US26525918
申请日:1918-12-04
Applicant: ROBERT JOHN , BELL JOHN DEASE
Inventor: ROBERT JOHN , BELL JOHN DEASE
CPC classification number: A01M31/06
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公开(公告)号:US1975428A
公开(公告)日:1934-10-02
申请号:US67117533
申请日:1933-05-15
Applicant: ROBERT JOHN
Inventor: ROBERT JOHN
IPC: B65D59/04
CPC classification number: B65D59/04 , Y10T24/1457
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