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公开(公告)号：US2501483A
公开(公告)日：1950-03-21
申请号：US1880948
申请日：1948-04-03
Applicant: WARNER SWASEY CO
Inventor： TAYLOR NORMAN W
IPC: B66C13/18 , B66F3/25 , E02F9/22 , F15B11/044
CPC classification number: B66C13/18 , E02F9/2203 , F15B11/0445 , F15B2211/40507 , F15B2211/428 , F15B2211/45 , F15B2211/455 , F15B2211/46 , F15B2211/50554 , F15B2211/5153 , F15B2211/75 , Y10T137/2521 , Y10T137/7781 , Y10T137/7793
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