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发明名称
Envelope
摘要
申请公布号
US2051711(A)
申请公布日期
1936.08.18
申请号
US19340707943
申请日期
1934.01.23
申请人
UNITED STATES ENVELOPE COMPANY
发明人
HEYWOOD VINCENT E.
分类号
B65D27/16
主分类号
B65D27/16
代理机构
代理人
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