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公开(公告)号：US1667711A
公开(公告)日：1928-05-01
申请号：US18854327
申请日：1927-05-03
Applicant: JOSEPH ALLEGRE
Inventor： JOSEPH ALLEGRE
IPC: B60C7/04
CPC classification number: B60C7/04 , Y10T152/10432
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