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公开(公告)号:US1264363A
公开(公告)日:1918-04-30
申请号:US11498016
申请日:1916-08-15
Applicant: EUGENE COOK
Inventor: BOWERS ERNEST C
CPC classification number: B23B31/1246 , Y10T279/17641
公开(公告)号:US1264363A
公开(公告)日:1918-04-30
申请号:US11498016
申请日:1916-08-15
Applicant: EUGENE COOK
Inventor: BOWERS ERNEST C
CPC classification number: B23B31/1246 , Y10T279/17641