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公开(公告)号：US1467881A
公开(公告)日：1923-09-11
申请号：US44567821
申请日：1921-02-17
Applicant: LOUIS ROSEBUSH , ROSEBUSH FRED J
Inventor： LOUIS ROSEBUSH , ROSEBUSH FRED J
IPC: B60B25/06
CPC classification number: B60B25/06
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