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公开(公告)号:US1178790A
公开(公告)日:1916-04-11
申请号:US3051215
申请日:1915-05-26
Applicant: FITCH JOHN THOMAS
Inventor: FITCH JOHN THOMAS
CPC classification number: B60C7/102 , Y10T152/10324
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公开(公告)号:US1083818A
公开(公告)日:1914-01-06
申请号:US1913790202
申请日:1913-09-17
Applicant: FITCH JOHN THOMAS
Inventor: FITCH JOHN THOMAS
CPC classification number: E02B7/40
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