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发明名称
Crayon holder
摘要
申请公布号
US2762336(A)
申请公布日期
1956.09.11
申请号
US19540409229
申请日期
1954.02.09
申请人
ESTES THOMAS C
发明人
ESTES THOMAS C.
分类号
B43K23/016
主分类号
B43K23/016
代理机构
代理人
主权项
地址
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