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发明名称
Envelope
摘要
申请公布号
US2148324(A)
申请公布日期
1939.02.21
申请号
US19370123136
申请日期
1937.01.30
申请人
SAWDON VICTOR J
发明人
SAWDON VICTOR J.
分类号
B65D27/04;B65D27/08
主分类号
B65D27/04
代理机构
代理人
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