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发明名称
Safety pressure release for pressure cookers
摘要
申请公布号
US2552642(A)
申请公布日期
1951.05.15
申请号
US19470768832
申请日期
1947.08.15
申请人
WEST BEND ALUMINUM CO.
发明人
JR. WILLARD L. MORRISON,
分类号
A47J27/09
主分类号
A47J27/09
代理机构
代理人
主权项
地址
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