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发明名称
PROCESS AND DEVICE FOR THE MANUFACTURE OF PENCILS
摘要
申请公布号
CA579911(A)
申请公布日期
1959.07.21
申请号
CAD579911
申请日期
申请人
CONTE
发明人
MARION FLECK
分类号
主分类号
代理机构
代理人
主权项
地址
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