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公开(公告)号:US635187A
公开(公告)日:1899-10-17
申请号:US1899711960
申请日:1899-04-06
Applicant: RICE DAVID SHELDON
Inventor: RICE DAVID SHELDON
CPC classification number: F23D91/02
公开(公告)号:US635187A
公开(公告)日:1899-10-17
申请号:US1899711960
申请日:1899-04-06
Applicant: RICE DAVID SHELDON
Inventor: RICE DAVID SHELDON
CPC classification number: F23D91/02