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经营范围
发明名称
Automatic valve
摘要
申请公布号
US1746026(A)
申请公布日期
1930.02.04
申请号
US19260130424
申请日期
1926.08.20
申请人
THE BARBER ASPHALT COMPANY
发明人
BROWNE FRANK A.
分类号
F25B41/06
主分类号
F25B41/06
代理机构
代理人
主权项
地址
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