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公开(公告)号:US2402483A
公开(公告)日:1946-06-18
申请号:US49095143
申请日:1943-06-14
Applicant: SHELL DEV
Inventor: ADELSON DAVID E , RUH ROBERT P , GRAY JR HAROLD F
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公开(公告)号:US2402481A
公开(公告)日:1946-06-18
申请号:US49094943
申请日:1943-06-14
Applicant: SHELL DEV
Inventor: ADELSON DAVID E , RUH ROBERT P , GRAY JR HAROLD F
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