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公开(公告)号:US965659A
公开(公告)日:1910-07-26
申请号:US1909494593
申请日:1909-05-07
Applicant: RUSSELL JOHN LYTLE
Inventor: RUSSELL JOHN LYTLE
CPC classification number: G01C9/26
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公开(公告)号:US825760A
公开(公告)日:1906-07-10
申请号:US1904236841
申请日:1904-12-14
Applicant: RUSSELL JOHN LYTLE
Inventor: RUSSELL JOHN LYTLE
CPC classification number: G01B2003/1092
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