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经营范围
发明名称
Floating roof
摘要
申请公布号
US2297985(A)
申请公布日期
1942.10.06
申请号
US19390266745
申请日期
1939.04.08
申请人
GEORGE RIVERS
发明人
RIVERS GEORGE
分类号
B65D88/34;B65D88/48
主分类号
B65D88/34
代理机构
代理人
主权项
地址
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