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经营范围
发明名称
STAVE PIPE
摘要
申请公布号
CA328756(A)
申请公布日期
1932.12.27
申请号
CAD328756
申请日期
申请人
HOWARD KETCHUM DUTCHER
发明人
HOWARD KETCHUM DUTCHER
分类号
主分类号
代理机构
代理人
主权项
地址
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