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发明名称
Leather tape drawing frame with drawing guide
摘要
申请公布号
US2297509(A)
申请公布日期
1942.09.29
申请号
US19400358024
申请日期
1940.09.23
申请人
ERNST TOENNIESSEN
发明人
TOENNIESSEN ERNST
分类号
D01H5/26
主分类号
D01H5/26
代理机构
代理人
主权项
地址
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