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公开(公告)号:US3036552A
公开(公告)日:1962-05-29
申请号:US5637360
申请日:1960-09-16
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN LLOYD P , DUNCAN LEON L
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公开(公告)号:US3035543A
公开(公告)日:1962-05-22
申请号:US5637260
申请日:1960-09-16
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN LLOYD P , DUNCAN LEON L
CPC classification number: A01J7/00 , A01J5/04 , A01J7/027 , F25D31/006
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公开(公告)号:US2742876A
公开(公告)日:1956-04-24
申请号:US42568054
申请日:1954-04-26
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN GEORGE R
IPC: A01J5/04
CPC classification number: A01J5/04
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4.
公开(公告)号:US2740378A
公开(公告)日:1956-04-03
申请号:US31177252
申请日:1952-09-26
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN GEORGE R
IPC: F25D31/00
CPC classification number: F25D31/006
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公开(公告)号:US2740377A
公开(公告)日:1956-04-03
申请号:US43026654
申请日:1954-05-17
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN GEORGE R
IPC: A01J5/04
CPC classification number: A01J5/04
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公开(公告)号:US2702019A
公开(公告)日:1955-02-15
申请号:US31177152
申请日:1952-09-26
Applicant: ZERO MFG COMPANY
Inventor: ROY DUNCAN GEORGE
IPC: A01J7/00
CPC classification number: A01J7/00
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公开(公告)号:US2873723A
公开(公告)日:1959-02-17
申请号:US65522457
申请日:1957-04-26
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN LLOYD P , DUNCAN LEON L , DUNCAN SR GEORGE R
IPC: A01J9/00
CPC classification number: A01J9/00
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公开(公告)号:US2873722A
公开(公告)日:1959-02-17
申请号:US69829957
申请日:1957-11-22
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN LEON L , DUNCAN LLOYD P , DUNCAN SR GEORGE R
IPC: A01J9/00
CPC classification number: A01J9/00
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公开(公告)号:US3111954A
公开(公告)日:1963-11-26
申请号:US13387061
申请日:1961-08-25
Applicant: ZERO MFG COMPANY
Inventor: DUNCAN LEON L
IPC: B08B9/08
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公开(公告)号:US3044658A
公开(公告)日:1962-07-17
申请号:US73470758
申请日:1958-05-12
Applicant: ZERO MFG COMPANY
Inventor: COMBS THEODORE C , DOBBIE JAMES M
IPC: B65D6/34
CPC classification number: B65D7/12 , Y10T29/49915 , Y10T29/49925
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