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经营范围
发明名称
EXTENDIBLE DRAFTING COMPASS
摘要
申请公布号
US3513548(A)
申请公布日期
1970.05.26
申请号
USD3513548
申请日期
1969.01.14
申请人
TAKEO ITANO
发明人
TAKEO ITANO
分类号
B43L9/00;(IPC1-7):B43L9/04
主分类号
B43L9/00
代理机构
代理人
主权项
地址
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