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经营范围
发明名称
ROTATABLE SIGN
摘要
申请公布号
CA354146(A)
申请公布日期
1935.11.12
申请号
CAD354146
申请日期
申请人
MARVIN NELSON
发明人
FRED L. HINKS;JOHN E. HINKS
分类号
主分类号
代理机构
代理人
主权项
地址
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