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经营范围
发明名称
Envelope flap moistener and sealing device
摘要
申请公布号
US1910677(A)
申请公布日期
1933.05.23
申请号
US19310552046
申请日期
1931.07.20
申请人
BRYSON WILLIAM H
发明人
BRYSON WILLIAM H.
分类号
B43M5/02
主分类号
B43M5/02
代理机构
代理人
主权项
地址
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