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经营范围
发明名称
Construction for projection lamps eliminating undesired infrared radiation
摘要
申请公布号
US3174067(A)
申请公布日期
1965.03.16
申请号
US19610124539
申请日期
1961.07.17
申请人
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN M.B.H.
发明人
BAHRS SIEGFRIED
分类号
G03B21/16;G03B21/20
主分类号
G03B21/16
代理机构
代理人
主权项
地址
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