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发明名称
Pencil
摘要
申请公布号
US2144006(A)
申请公布日期
1939.01.17
申请号
US19370144364
申请日期
1937.05.24
申请人
RENRICK WILSON WILLIAM
发明人
WILSON WILLIAM RENRICK
分类号
B43K29/02
主分类号
B43K29/02
代理机构
代理人
主权项
地址
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