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公开(公告)号：US1773190A
公开(公告)日：1930-08-19
申请号：US41798030
申请日：1930-01-02
Applicant: LINK JOHN A
Inventor： LINK JOHN A
CPC classification number: B62B3/003 , B62B3/004 , B62B3/025 , B62B2205/20
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