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经营范围
发明名称
COATED LIGHT PERMEABLE OPTICAL COMPONENT
摘要
申请公布号
US3597046(A)
申请公布日期
1971.08.03
申请号
USD3597046
申请日期
1968.09.27
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
HARRY E. SMITHGALL
分类号
G02B3/00;H01J9/227
主分类号
G02B3/00
代理机构
代理人
主权项
地址
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