Ruling device.
    1.
    发明授权
    Ruling device. 失效
    规则设备

    公开(公告)号:US706066A

    公开(公告)日:1902-08-05

    申请号:US1900039950

    申请日:1900-12-15

    Applicant: JOY BYRON H

    Inventor: JOY BYRON H

    CPC classification number: B41N1/20

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