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发明名称
Streamline feeding means in printing machines
摘要
申请公布号
US2552869(A)
申请公布日期
1951.05.15
申请号
US19450581975
申请日期
1945.03.10
申请人
SAUERMAN ERNST C
发明人
SAUERMAN ERNST C.
分类号
B41L47/08;B41L47/18
主分类号
B41L47/08
代理机构
代理人
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