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公开(公告)号:US1207751A
公开(公告)日:1916-12-12
申请号:US6712715
申请日:1915-12-16
Applicant: GUSTAVUS A SMITH , HANSELL MARCUS E
Inventor: HANSELL MARCUS E
CPC classification number: F23H9/08
公开(公告)号:US1207751A
公开(公告)日:1916-12-12
申请号:US6712715
申请日:1915-12-16
Applicant: GUSTAVUS A SMITH , HANSELL MARCUS E
Inventor: HANSELL MARCUS E
CPC classification number: F23H9/08