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发明名称
Viscous retarded timer and flagman
摘要
申请公布号
US3227825(A)
申请公布日期
1966.01.04
申请号
US19630305934
申请日期
1963.09.03
申请人
ELDON INDUSTRIES, INC.
发明人
PULLEN ERIC V.
分类号
A63H13/04
主分类号
A63H13/04
代理机构
代理人
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地址
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