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发明名称
Closure
摘要
申请公布号
US2108238(A)
申请公布日期
1938.02.15
申请号
US19360102635
申请日期
1936.09.26
申请人
THE HELL CO.
发明人
STRELOW HENRY A.
分类号
F16J13/20
主分类号
F16J13/20
代理机构
代理人
主权项
地址
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