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发明名称
Scoring mechanism for use in envelope making machines
摘要
申请公布号
US1839492(A)
申请公布日期
1932.01.05
申请号
US19290348749
申请日期
1929.03.21
申请人
F. L. SMITHE MACHINE CO., INC.
发明人
NOVICK ABRAHAM
分类号
B31B1/25
主分类号
B31B1/25
代理机构
代理人
主权项
地址
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