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发明名称
Envelope packet
摘要
申请公布号
US1994393(A)
申请公布日期
1935.03.12
申请号
US19320626550
申请日期
1932.07.30
申请人
GAW-O'HARA ENVELOPE COMPANY
发明人
HOPKINS ALFRED J.
分类号
B42F17/08
主分类号
B42F17/08
代理机构
代理人
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