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公开(公告)号:US1035607A
公开(公告)日:1912-08-13
申请号:US1912690746
申请日:1912-04-15
Applicant: KROESCHELL BROS CO
Inventor: KROESCHELL CHARLES
CPC classification number: F22B9/12
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公开(公告)号:US927861A
公开(公告)日:1909-07-13
申请号:US1908447722
申请日:1908-08-10
Applicant: KROESCHELL BROS CO
Inventor: KROESCHELL CHARLES
CPC classification number: F23K2201/30
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