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发明名称
MACHINE AND METHOD FOR MAKING PAPER-WRAPPED PENCILS
摘要
申请公布号
CA454989(A)
申请公布日期
1949.03.08
申请号
CAD454989
申请日期
申请人
JOSEPH DIXON CRUCIBLE COMPANY
发明人
KAY MILLER
分类号
主分类号
代理机构
代理人
主权项
地址
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