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发明名称
Dirigible headlight
摘要
申请公布号
US1798062(A)
申请公布日期
1931.03.24
申请号
US19290387066
申请日期
1929.08.19
申请人
CALKINS JAMES M
发明人
CALKINS JAMES M.
分类号
B60Q1/124
主分类号
B60Q1/124
代理机构
代理人
主权项
地址
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