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公开(公告)号:US1257275A
公开(公告)日:1918-02-19
申请号:US18655917
申请日:1917-08-16
申请人: W H WOODLEE , W G WOODLEE , GARNET BURROUS , CAMPBELL L J , S C SCOTT , JAMES GIVENS , W H CAMPBELL , E C SHELTON , GEORGE D BOYD , W E GILLEN , SARTAIN LOUIS MARTAIN
CPC分类号: B25B21/002