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公开(公告)号:US2692638A
公开(公告)日:1954-10-26
申请号:US25447751
申请日:1951-11-02
Applicant: CASTELL GAIL A
Inventor: CASTELL GAIL A
IPC: B60N2/75
CPC classification number: B60N2/4673
公开(公告)号:US2692638A
公开(公告)日:1954-10-26
申请号:US25447751
申请日:1951-11-02
Applicant: CASTELL GAIL A
Inventor: CASTELL GAIL A
IPC: B60N2/75
CPC classification number: B60N2/4673