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发明名称
Maschine zum Perforieren von Papier.
摘要
申请公布号
CH253722(A)
申请公布日期
1948.03.31
申请号
CHD253722
申请日期
1947.02.05
申请人
BAY,OTTO
发明人
BAY,OTTO
分类号
B26D5/22
主分类号
B26D5/22
代理机构
代理人
主权项
地址
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