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发明名称
Animated device
摘要
申请公布号
US2835995(A)
申请公布日期
1958.05.27
申请号
US19560570924
申请日期
1956.03.12
申请人
GIBRALTAR MANUFACTURING CO., INC.
发明人
EICKEMEYER LUDWIG
分类号
G04B47/02;G09F19/10
主分类号
G04B47/02
代理机构
代理人
主权项
地址
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