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公开(公告)号：US1035650A
公开(公告)日：1912-08-13
申请号：US1912684677
申请日：1912-03-19
Applicant: STENGEL CHARLES W , WITCHEL EVAN T
Inventor： STENGEL CHARLES W , WITCHEL EVAN T
CPC classification number: B62M27/00
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