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公开(公告)号:US2206156A
公开(公告)日:1940-07-02
申请号:US14776437
申请日:1937-06-11
Applicant: BOGART OREN E , MILLER RALPH A
Inventor: BOGART OREN E , MILLER RALPH A
公开(公告)号:US2206156A
公开(公告)日:1940-07-02
申请号:US14776437
申请日:1937-06-11
Applicant: BOGART OREN E , MILLER RALPH A
Inventor: BOGART OREN E , MILLER RALPH A