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发明名称
DEVICES FOR PRODUCING ORNAMENTAL AND DECORATIVE BUBBLE LIGHTING EFFECTS AND METHODS
摘要
申请公布号
CA472992(A)
申请公布日期
1951.04.17
申请号
CAD472992
申请日期
申请人
RAYLITE ELECTRIC CORP.
发明人
JOHN PETRY
分类号
主分类号
代理机构
代理人
主权项
地址
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