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经营范围
发明名称
Gate arrestor
摘要
申请公布号
US2783071(A)
申请公布日期
1957.02.26
申请号
US19550521658
申请日期
1955.07.13
申请人
WILLIAMS HERBERT E
发明人
WILLIAMS HERBERT E.
分类号
E05C5/00;E05C17/50
主分类号
E05C5/00
代理机构
代理人
主权项
地址
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