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公开(公告)号:US1763422A
公开(公告)日:1930-06-10
申请号:US31959928
申请日:1928-11-15
Applicant: RUSSELL MCTAGGART
Inventor: DOLLING THOMAS H
IPC: A01D25/04
CPC classification number: A01D25/048
公开(公告)号:US1763422A
公开(公告)日:1930-06-10
申请号:US31959928
申请日:1928-11-15
Applicant: RUSSELL MCTAGGART
Inventor: DOLLING THOMAS H
IPC: A01D25/04
CPC classification number: A01D25/048