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发明名称
PENCIL
摘要
申请公布号
CA768438(A)
申请公布日期
1967.10.03
申请号
CAD768438
申请日期
申请人
JACOB RITTER KG
发明人
HELMUT BROSS
分类号
主分类号
代理机构
代理人
主权项
地址
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