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经营范围
发明名称
Automatic valve
摘要
申请公布号
US1822917(A)
申请公布日期
1931.09.15
申请号
US19260124618
申请日期
1926.07.24
申请人
BARNES EUGENE L
发明人
BARNES EUGENE L.
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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