- 专利标题: Stay-bolt-drilling machine.
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申请号: US1913776625申请日: 1913-06-30
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公开(公告)号: US1099425A公开(公告)日: 1914-06-09
- 发明人: CARPER KENT H
- 申请人: RICHMOND STAY BOLT DRILLING MACHINE MFG CO INC
- 专利权人: Richmond Stay Bolt Drilling Machine Mfg Co Inc
- 当前专利权人: Richmond Stay Bolt Drilling Machine Mfg Co Inc
- 优先权: US1913776625 1913-06-30
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