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发明名称
RETRACTABLE FENCE
摘要
申请公布号
US3471129(A)
申请公布日期
1969.10.07
申请号
USD3471129
申请日期
1968.01.10
申请人
THOMAS J. MPAKARAKES
发明人
THOMAS J. MPAKARAKES
分类号
E04H17/18;(IPC1-7):E04H17/16;E02D27/42
主分类号
E04H17/18
代理机构
代理人
主权项
地址
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