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公开(公告)号：US2082204A
公开(公告)日：1937-06-01
申请号：US1047835
申请日：1935-03-11
Applicant: STANDARD OIL CO CALIFORNIA
Inventor： GARDINER ELMSLIE W , GREENE JOHN W , LYMAN ARTHUR L
CPC classification number: B01J2229/42
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