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公开(公告)号:US807376A
公开(公告)日:1905-12-12
申请号:US1905246280
申请日:1905-02-18
Applicant: CHAS B KNOX
Inventor: HALLOCK ARTHUR T
CPC classification number: G07F11/26
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2.
公开(公告)号:US936170A
公开(公告)日:1909-10-05
申请号:US1908443241
申请日:1908-07-13
Applicant: ROSE M KNOX , CHAS B KNOX , CHARLES M KNOX 2D , JAMES E KNOX , RULISON WILLIAM
Inventor: RULISON WILLIAM
CPC classification number: G01F11/24
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