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发明名称
DRAFTING SLOPE GAUGE
摘要
申请公布号
US3513551(A)
申请公布日期
1970.05.26
申请号
USD3513551
申请日期
1969.06.20
申请人
HANS F. GEIGER
发明人
HANS F. GEIGER
分类号
B43L7/00;(IPC1-7):B43L7/00
主分类号
B43L7/00
代理机构
代理人
主权项
地址
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