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经营范围
发明名称
Bubble ornamental device and method
摘要
申请公布号
US2453178(A)
申请公布日期
1948.11.09
申请号
US19460649159
申请日期
1946.02.21
申请人
RAYLITE ELECTRIC CORP.
发明人
ABRAMSON ABRAHAM
分类号
F21S4/00;F21S10/00;G09F13/24
主分类号
F21S4/00
代理机构
代理人
主权项
地址
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