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发明名称
WRITING INSTRUMENTS
摘要
申请公布号
GB1352671(A)
申请公布日期
1974.05.08
申请号
GB19710049499
申请日期
1971.10.25
申请人
ETABS CHRISTIAN SA
发明人
分类号
B43K5/18;(IPC1-7):B43K5/00
主分类号
B43K5/18
代理机构
代理人
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地址
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