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经营范围
发明名称
Automatic gate
摘要
申请公布号
US2728570(A)
申请公布日期
1955.12.27
申请号
US19540430098
申请日期
1954.05.17
申请人
WALGREEN CO.
发明人
SCHMITT ROLAND G.;SWEDBERG VERNON K.
分类号
E05F15/04;E05F15/12;E05F15/20
主分类号
E05F15/04
代理机构
代理人
主权项
地址
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