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公开(公告)号：US1677633A
公开(公告)日：1928-07-17
申请号：US75107824
申请日：1924-11-20
Applicant: THOMAS D SEXTON
Inventor： HARRISON ARTHUR W
IPC: B60T13/74
CPC classification number: B60T13/74 , Y10T477/82
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