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公开(公告)号:US1028688A
公开(公告)日:1912-06-04
申请号:US1911624598
申请日:1911-05-02
Applicant: DODD JOHN W
Inventor: DODD JOHN W
CPC classification number: B60B9/24
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公开(公告)号:US1061134A
公开(公告)日:1913-05-06
申请号:US1061134D
Applicant: SHIREY FRANK W , DODD JOHN W
Inventor: SHIREY FRANK W , DODD JOHN W
CPC classification number: E21B17/05 , Y10T403/32991
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公开(公告)号:US1260077A
公开(公告)日:1918-03-19
申请号:US8486816
申请日:1916-03-17
Applicant: SHIREY FRANK W , DODD JOHN W
Inventor: SHIREY FRANK W , DODD JOHN W
CPC classification number: E21B17/05 , Y10T403/32991 , Y10T403/54 , Y10T403/5793 , Y10T403/7018
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公开(公告)号:US1926669A
公开(公告)日:1933-09-12
申请号:US40825229
申请日:1929-11-19
Applicant: DODD JOHN W
Inventor: DODD JOHN W
IPC: B26D7/02
CPC classification number: B26D7/025 , Y10T83/5687 , Y10T83/8736 , Y10T83/8857
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