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发明名称
Writing pen
摘要
申请公布号
US2033164(A)
申请公布日期
1936.03.10
申请号
US19350015241
申请日期
1935.04.08
申请人
WALTER GEORGE S
发明人
WALTER GEORGE S.
分类号
B43K8/14;B43K8/16
主分类号
B43K8/14
代理机构
代理人
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地址
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