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发明名称
DOUBLE SEAL MILK CANS
摘要
申请公布号
CA477761(A)
申请公布日期
1951.10.16
申请号
CAD477761
申请日期
申请人
JOHN A. HOPWOOD
发明人
JOHN A. HOPWOOD
分类号
主分类号
代理机构
代理人
主权项
地址
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