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公开(公告)号:US2389219A
公开(公告)日:1945-11-20
申请号:US50676443
申请日:1943-10-18
Applicant: GEORGE M HOLLEY , EARL HOLLEY
Inventor: THOMPSON ROBERT K , DIXON KEITH E
公开(公告)号:US2389219A
公开(公告)日:1945-11-20
申请号:US50676443
申请日:1943-10-18
Applicant: GEORGE M HOLLEY , EARL HOLLEY
Inventor: THOMPSON ROBERT K , DIXON KEITH E