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经营范围
发明名称
DRAWING COMPASS
摘要
申请公布号
AU506820(B2)
申请公布日期
1980.01.24
申请号
AU19770026437
申请日期
1977.06.24
申请人
HELIX INTERNATIONAL LTD
发明人
R.A. PAYTON
分类号
F16B2/06;B43L9/02;B43L9/24;F16B41/00;(IPC1-7):B43L9/24;B43L9/20
主分类号
F16B2/06
代理机构
代理人
主权项
地址
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