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发明名称
Tank closure
摘要
申请公布号
US2249497(A)
申请公布日期
1941.07.15
申请号
US19390285343
申请日期
1939.07.19
申请人
SUN OIL COMPANY
发明人
SAMANS WALTER
分类号
F16J13/02
主分类号
F16J13/02
代理机构
代理人
主权项
地址
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