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公开(公告)号:US798347A
公开(公告)日:1905-08-29
申请号:US1905239357
申请日:1905-01-03
Applicant: KAMBISH JOHN JR
Inventor: KAMBISH JOHN JR
CPC classification number: E21B43/121
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公开(公告)号:US794023A
公开(公告)日:1905-07-04
申请号:US1905241242
申请日:1905-01-16
Applicant: KAMBISH JOHN JR
Inventor: KAMBISH JOHN JR
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