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发明名称
Pressure-cooker valve
摘要
申请公布号
US1978656(A)
申请公布日期
1934.10.30
申请号
US19320589031
申请日期
1932.01.26
申请人
FOOD MACHINERY CORPORATION
发明人
THOMPSON ALBERT R.
分类号
A23L3/00
主分类号
A23L3/00
代理机构
代理人
主权项
地址
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