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经营范围
发明名称
Ruler with variable scale
摘要
申请公布号
GB2150888(A)
申请公布日期
1985.07.10
申请号
GB19830032496
申请日期
1983.12.06
申请人
ROMANO MARIO * COOPER
发明人
ROMANO MARIO * COOPER
分类号
B43L7/00;(IPC1-7):B43L7/00;B43L13/00
主分类号
B43L7/00
代理机构
代理人
主权项
地址
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