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发明名称
Searchlight for exploring the sky
摘要
申请公布号
US1972928(A)
申请公布日期
1934.09.11
申请号
US19320642374
申请日期
1932.11.12
申请人
MARIO FERRERO;ETTORE SALANI
发明人
FERRERO MARIO;SALANI ETTORE
分类号
B64F1/20
主分类号
B64F1/20
代理机构
代理人
主权项
地址
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