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经营范围
发明名称
BOOK HANGER AND HOLDER
摘要
申请公布号
CA339630(A)
申请公布日期
1934.02.27
申请号
CAD339630
申请日期
申请人
JOSEPH H. THORNTON
发明人
JOSEPH H. THORNTON
分类号
主分类号
代理机构
代理人
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地址
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