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发明名称
Envelope machine
摘要
申请公布号
US1817539(A)
申请公布日期
1931.08.04
申请号
US19290360348
申请日期
1929.05.04
申请人
MATTHEW VIERENGEL
发明人
VIERENGEL MATTHEW
分类号
B31B19/00
主分类号
B31B19/00
代理机构
代理人
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