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发明名称
ELECTRIC LAMPS WITH BLACKENING COLLECTORS
摘要
申请公布号
CA475831(A)
申请公布日期
1951.08.07
申请号
CAD475831
申请日期
申请人
CANADIAN GENERAL ELECTRIC COMPANY
发明人
IRVING H. VAN HORN
分类号
主分类号
代理机构
代理人
主权项
地址
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System and method for indicating the signature andtrust status of a secure message
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Kid toy structure for musical safe chair
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Air shutter and installation method thereof
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