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公开(公告)号：US2247478A
公开(公告)日：1941-07-01
申请号：US9535736
申请日：1936-08-11
Applicant: AUTOMOTIVE IMPROVEMENTS PATENT
Inventor： BURTNETT EVERETT R
IPC: F16D47/00
CPC classification number: F16D47/00 , Y10T74/19228 , Y10T74/1926
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