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发明名称
Illumination apparatus
摘要
申请公布号
US1940872(A)
申请公布日期
1933.12.26
申请号
US19310551384
申请日期
1931.07.17
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
MARBURY RALPH E.
分类号
B64F1/20;F21S8/00
主分类号
B64F1/20
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代理人
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地址
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