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发明名称
Bank protector
摘要
申请公布号
US1896989(A)
申请公布日期
1933.02.07
申请号
US19320597584
申请日期
1932.03.08
申请人
LEE WALKER
发明人
WALKER LEE
分类号
E02B3/14
主分类号
E02B3/14
代理机构
代理人
主权项
地址
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