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公开(公告)号：US1500108A
公开(公告)日：1924-07-08
申请号：US41304520
申请日：1920-09-27
Applicant: CLAYTON GRACE T
Inventor： CLAYTON GRACE T
IPC: B62B1/10
CPC classification number: B62B1/10 , B62B2202/26
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