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公开(公告)号:US2965687A
公开(公告)日:1960-12-20
申请号:US81417359
申请日:1959-05-19
Applicant: GAS COUNCIL
Inventor: LOTEN ROBERTS ARTHUR , THOMAS COWAN COLIN , DONALD WHITE
公开(公告)号:US2965687A
公开(公告)日:1960-12-20
申请号:US81417359
申请日:1959-05-19
Applicant: GAS COUNCIL
Inventor: LOTEN ROBERTS ARTHUR , THOMAS COWAN COLIN , DONALD WHITE