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公开(公告)号:US723311A
公开(公告)日:1903-03-24
申请号:US1902126795
申请日:1902-10-10
Applicant: ROBERTSON ROBERT , RINTOUL WILLIAM
Inventor: ROBERTSON ROBERT , RINTOUL WILLIAM
CPC classification number: C07C45/85
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公开(公告)号:US1238569A
公开(公告)日:1917-08-28
申请号:US14381417
申请日:1917-01-22
Applicant: ROBERTSON ROBERT
Inventor: ROBERTSON ROBERT
CPC classification number: B43L1/00
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公开(公告)号:US664896A
公开(公告)日:1901-01-01
申请号:US1900024330
申请日:1900-07-20
Applicant: ROBERTSON ROBERT
Inventor: ROBERTSON ROBERT
CPC classification number: B65H2701/31 , Y10S264/40
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