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发明名称
Refill pencil
摘要
申请公布号
US2700371(A)
申请公布日期
1955.01.25
申请号
US19500173121
申请日期
1950.07.11
申请人
JAROSLAV ZAHEL
发明人
ZAHEL JAROSLAV
分类号
B43K21/08
主分类号
B43K21/08
代理机构
代理人
主权项
地址
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