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经营范围
发明名称
Automatic vent and relief valve for pressure cookers
摘要
申请公布号
US2686531(A)
申请公布日期
1954.08.17
申请号
US19480016194
申请日期
1948.03.22
申请人
PROCTOR ELECTRIC COMPANY
发明人
EECKHOUT ROGER V.
分类号
A47J27/08;A47J27/09
主分类号
A47J27/08
代理机构
代理人
主权项
地址
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