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经营范围
发明名称
Fire hydrant
摘要
申请公布号
US2020071(A)
申请公布日期
1935.11.05
申请号
US19310561338
申请日期
1931.09.05
申请人
LOFTON HERBERT M
发明人
LOFTON HERBERT M.
分类号
E03B9/14
主分类号
E03B9/14
代理机构
代理人
主权项
地址
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