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1.Production of asphaltic products from aromatic extracts of mineral oils 失效
Title translation: 从矿物油芳香提取物生产沥青产品公开(公告)号:US1990466A
公开(公告)日:1935-02-12
申请号:US55992931
申请日:1931-08-28
Applicant: BURMAH OIL CO LTD
Inventor: LOGIE ALLAN HUGH
IPC: C10C3/04
CPC classification number: C10C3/04
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公开(公告)号:US1859376A
公开(公告)日:1932-05-24
申请号:US47064030
申请日:1930-07-25
Applicant: BURMAH OIL CO LTD
Inventor: LOGIE ALLAN HUGH
IPC: C10G73/36
CPC classification number: C10G73/36
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公开(公告)号:US1918009A
公开(公告)日:1933-07-11
申请号:US47063930
申请日:1930-07-25
Applicant: BURMAH OIL CO LTD
Inventor: LOGIE ALLAN HUGH
IPC: C10G73/36
CPC classification number: C10G73/36
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公开(公告)号:US1743746A
公开(公告)日:1930-01-14
申请号:US25315828
申请日:1928-02-09
Applicant: BURMAH OIL CO LTD
Inventor: LOGIE ALLAN HUGH , JAMES MOORE
IPC: C10G73/36
CPC classification number: C10G73/36
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