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公开(公告)号:US2747712A
公开(公告)日:1956-05-29
申请号:US27267252
申请日:1952-02-20
Applicant: CREED & CO LTD
Inventor: DENNIS SALMON REGINALD , GEORGE NASH LEONARD ALFRED
公开(公告)号:US2747712A
公开(公告)日:1956-05-29
申请号:US27267252
申请日:1952-02-20
Applicant: CREED & CO LTD
Inventor: DENNIS SALMON REGINALD , GEORGE NASH LEONARD ALFRED