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发明名称
SINGLE-HOLE PAPER PUNCH
摘要
申请公布号
GB2102738(B)
申请公布日期
1985.06.05
申请号
GB19810023387
申请日期
1981.07.30
申请人
LOUIS * LEITZ
发明人
ROLAND * WURTHNER
分类号
B42F13/36;B42F13/40;(IPC1-7):B42F13/40
主分类号
B42F13/36
代理机构
代理人
主权项
地址
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