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公开(公告)号:US2055535A
公开(公告)日:1936-09-29
申请号:US73139934
申请日:1934-06-20
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B21D15/06
CPC classification number: B21D15/06 , Y10S29/024
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公开(公告)号:US2039167A
公开(公告)日:1936-04-28
申请号:US69839333
申请日:1933-11-17
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
CPC classification number: B23K35/0261 , Y10S403/05 , Y10T29/49751 , Y10T403/556
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公开(公告)号:US2019971A
公开(公告)日:1935-11-05
申请号:US61055532
申请日:1932-05-11
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B23K9/12
CPC classification number: B23K9/123
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公开(公告)号:US1922622A
公开(公告)日:1933-08-15
申请号:US48139230
申请日:1930-09-12
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B21B19/14
CPC classification number: B21B19/14
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公开(公告)号:US2405254A
公开(公告)日:1946-08-06
申请号:US47773843
申请日:1943-03-02
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B22C9/10
CPC classification number: B22C9/101
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公开(公告)号:US2385989A
公开(公告)日:1945-10-02
申请号:US45187942
申请日:1942-07-22
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B22D11/14
CPC classification number: B22D11/14
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公开(公告)号:US2385136A
公开(公告)日:1945-09-18
申请号:US48396743
申请日:1943-04-21
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: C22B9/18
CPC classification number: C22B9/18
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公开(公告)号:US2380238A
公开(公告)日:1945-07-10
申请号:US51923044
申请日:1944-01-21
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
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公开(公告)号:US2216033A
公开(公告)日:1940-09-24
申请号:US21114438
申请日:1938-06-01
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B23K9/00
CPC classification number: B23K9/0026 , Y10S220/29 , Y10S220/917 , Y10T29/49403
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公开(公告)号:US2191476A
公开(公告)日:1940-02-27
申请号:US20919538
申请日:1938-05-21
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B23K9/28
CPC classification number: B23K9/287
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