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经营范围
发明名称
Drafting machine
摘要
申请公布号
US3111763(A)
申请公布日期
1963.11.26
申请号
US19590801263
申请日期
1959.03.23
申请人
WILLI PIEPER
发明人
PIEPER WILLI
分类号
B43L13/06
主分类号
B43L13/06
代理机构
代理人
主权项
地址
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