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公开(公告)号:US2854940A
公开(公告)日:1958-10-07
申请号:US52871955
申请日:1955-08-16
Applicant: KOEHRING CO
Inventor: BATES HOMER J
IPC: B30B5/02
CPC classification number: B30B5/02
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公开(公告)号:US2821144A
公开(公告)日:1958-01-28
申请号:US54710555
申请日:1955-11-16
Applicant: KOEHRING CO
Inventor: PURCELL HOWARD M
CPC classification number: F04B1/22 , F04B1/126 , F04B1/2035
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公开(公告)号:US2507522A
公开(公告)日:1950-05-16
申请号:US55210144
申请日:1944-08-31
Applicant: KOEHRING CO
Inventor: HEINE FERDINAND H
IPC: B28C5/18
CPC classification number: B28C5/1825
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公开(公告)号:US2395031A
公开(公告)日:1946-02-19
申请号:US54753344
申请日:1944-08-01
Applicant: KOEHRING CO
Inventor: BECKWITH RAYMOND A
IPC: E02F3/407
CPC classification number: E02F3/4075
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公开(公告)号:US2333041A
公开(公告)日:1943-10-26
申请号:US39237641
申请日:1941-05-07
Applicant: KOEHRING CO
Inventor: POULTER JOHN W
IPC: E01C19/41
CPC classification number: E01C19/41
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公开(公告)号:US2321202A
公开(公告)日:1943-06-08
申请号:US38190541
申请日:1941-03-05
Applicant: KOEHRING CO
Inventor: HEINE FERDINAND H
IPC: B62D55/26
CPC classification number: B62D55/26 , Y10T29/49449
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公开(公告)号:US2061425A
公开(公告)日:1936-11-17
申请号:US74082934
申请日:1934-08-21
Applicant: KOEHRING CO
Inventor: SIEGFRED KARSTENS EDWARD
CPC classification number: F04B19/022 , F01L25/066 , F04B1/02 , F04B9/137 , F04B15/023 , Y10S417/90
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公开(公告)号:US2011427A
公开(公告)日:1935-08-13
申请号:US69782533
申请日:1933-11-13
Applicant: KOEHRING CO
Inventor: TRANAAS EMIL L
IPC: F16D13/06
CPC classification number: F16D13/06
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公开(公告)号:US1973167A
公开(公告)日:1934-09-11
申请号:US25119128
申请日:1928-02-01
Applicant: KOEHRING CO
Inventor: HEINE FERDINAND H
IPC: B28C7/12
CPC classification number: B28C7/122
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公开(公告)号:US1962960A
公开(公告)日:1934-06-12
申请号:US51757831
申请日:1931-02-21
Applicant: KOEHRING CO
Inventor: LICHTENBERG ERICH H
CPC classification number: B28C5/0875 , B28C7/028
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