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经营范围
发明名称
Venting cap
摘要
申请公布号
US2210996(A)
申请公布日期
1940.08.13
申请号
US19370161474
申请日期
1937.08.28
申请人
ECONOMIC STEEL RACK CO.
发明人
WOODS JAMES H.
分类号
主分类号
代理机构
代理人
主权项
地址
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