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发明名称
Pencil
摘要
申请公布号
US2055316(A)
申请公布日期
1936.09.22
申请号
US19350042196
申请日期
1935.09.26
申请人
SHARROW PERCY A
发明人
SHARROW PERCY A.
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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