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发明名称
DRAWING INSTRUMENT
摘要
申请公布号
AU638603(B2)
申请公布日期
1993.07.01
申请号
AU19910083714
申请日期
1991.09.09
申请人
HELIX LIMITED
发明人
CLIVE WALTER WARWICKER
分类号
B43L9/04
主分类号
B43L9/04
代理机构
代理人
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