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公开(公告)号:US2743236A
公开(公告)日:1956-04-24
申请号:US21950451
申请日:1951-04-05
Applicant: SHELL DEV
Inventor: MORRIS RUPERT C , SAWYER WEBSTER M
CPC classification number: C11D3/0094 , C11D3/32 , C11D3/3454 , C11D3/349 , C11D9/30 , C11D9/32
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公开(公告)号:US2900346A
公开(公告)日:1959-08-18
申请号:US56633256
申请日:1956-02-20
Applicant: SHELL DEV
Inventor: FOWKES FREDERICK M , SAWYER WEBSTER M , SCHICK MARTIN J
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