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发明名称
Siftproof bag bottom
摘要
申请公布号
US2600487(A)
申请公布日期
1952.06.17
申请号
US19480037232
申请日期
1948.07.06
申请人
CROWN ZELLERBACH CORPORATION
发明人
CRAIG MERLE E.
分类号
B65D30/18
主分类号
B65D30/18
代理机构
代理人
主权项
地址
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