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1.Process of preparing used filtering material for revivification 失效
Title translation: 制备用过的复原过滤材料的工艺公开(公告)号:US1982828A
公开(公告)日:1934-12-04
申请号:US61786832
申请日:1932-06-17
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E , TARBOX LEON A
CPC classification number: B01J20/12 , B01J20/20 , B01J20/3416 , B01J20/3433 , B01J20/3475
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公开(公告)号:US1935953A
公开(公告)日:1933-11-21
申请号:US1304025
申请日:1925-03-05
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E , HENRY THOMAS
IPC: C10G7/00
CPC classification number: C10G7/00
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公开(公告)号:US1903407A
公开(公告)日:1933-04-04
申请号:US25755928
申请日:1928-02-28
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E
IPC: C10G7/00
CPC classification number: C10G7/00
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公开(公告)号:US1833618A
公开(公告)日:1931-11-24
申请号:US19876327
申请日:1927-06-14
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E
IPC: C10G33/06
CPC classification number: C10G33/06
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公开(公告)号:US1761151A
公开(公告)日:1930-06-03
申请号:US11248526
申请日:1926-05-29
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E
IPC: C10G7/00
CPC classification number: C10G7/00
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公开(公告)号:US1669839A
公开(公告)日:1928-05-15
申请号:US9104626
申请日:1926-02-27
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E
IPC: B01D3/02
CPC classification number: B01D3/02
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7.Process of treating containers for reception of transformer oil 失效
Title translation: 处理容器以接收变压器油的过程公开(公告)号:US1969235A
公开(公告)日:1934-08-07
申请号:US41898930
申请日:1930-01-06
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E , FRANKLIN ANGSTADT HARRY
IPC: B05D3/10
CPC classification number: B05D3/10
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公开(公告)号:US1799640A
公开(公告)日:1931-04-07
申请号:US19876227
申请日:1927-06-14
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E
IPC: C10G7/00
CPC classification number: C10G7/00
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公开(公告)号:US1778565A
公开(公告)日:1930-10-14
申请号:US9104826
申请日:1926-02-27
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E
IPC: C10G7/00
CPC classification number: C10G7/00
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公开(公告)号:US1714811A
公开(公告)日:1929-05-28
申请号:US11244326
申请日:1926-05-29
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E , HENRY THOMAS
IPC: C10G7/00
CPC classification number: C10G7/00
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