Pump-filter.
    1.
    发明授权
    Pump-filter. 失效
    泵过滤器

    公开(公告)号:US1079875A

    公开(公告)日:1913-11-25

    申请号:US1912710470

    申请日:1912-07-19

    Applicant: MILES ROSS E

    Inventor: MILES ROSS E

    CPC classification number: B01D46/10

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