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发明名称
Pencil with body of convolutely wound paper
摘要
申请公布号
US2469049(A)
申请公布日期
1949.05.03
申请号
US19470733735
申请日期
1947.03.11
申请人
JOSEPH DIXON CRUCIBLE COMPANY
发明人
MILLER KAY
分类号
B43K19/14
主分类号
B43K19/14
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代理人
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