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公开(公告)号:US1804322A
公开(公告)日:1931-05-05
申请号:US33607529
申请日:1929-01-30
Applicant: SYLVESTER CUFF JAMES
Inventor: SYLVESTER CUFF JAMES
公开(公告)号:US1804322A
公开(公告)日:1931-05-05
申请号:US33607529
申请日:1929-01-30
Applicant: SYLVESTER CUFF JAMES
Inventor: SYLVESTER CUFF JAMES