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公开(公告)号:US2151915A
公开(公告)日:1939-03-28
申请号:US10929236
申请日:1936-11-05
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B23K9/12
CPC classification number: B23K9/121
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公开(公告)号:US2050326A
公开(公告)日:1936-08-11
申请号:US6384336
申请日:1936-02-14
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B23K33/00
CPC classification number: B23K33/004
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公开(公告)号:US1994649A
公开(公告)日:1935-03-19
申请号:US64805732
申请日:1932-12-20
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B01J19/02
CPC classification number: B01J19/02 , B01J2219/0209 , B01J2219/0213 , B01J2219/0286
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公开(公告)号:US1957064A
公开(公告)日:1934-05-01
申请号:US66697233
申请日:1933-04-20
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B23K9/073
CPC classification number: B23K9/0735
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公开(公告)号:US1954999A
公开(公告)日:1934-04-17
申请号:US66022033
申请日:1933-03-10
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:US2445670A
公开(公告)日:1948-07-20
申请号:US52098644
申请日:1944-02-03
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
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公开(公告)号:US2437782A
公开(公告)日:1948-03-16
申请号:US60017445
申请日:1945-06-18
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: B22D7/02
CPC classification number: B22D7/02
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48.
公开(公告)号:US2375107A
公开(公告)日:1945-05-01
申请号:US39982041
申请日:1941-06-26
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
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公开(公告)号:US2300670A
公开(公告)日:1942-11-03
申请号:US33634040
申请日:1940-05-21
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: H02P9/18
CPC classification number: H02P9/18
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公开(公告)号:US2279990A
公开(公告)日:1942-04-14
申请号:US37163040
申请日:1940-12-26
Applicant: KELLOGG M W CO
Inventor: HOPKINS ROBERT K
IPC: C23C6/00
CPC classification number: C23C6/00
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