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经营范围
发明名称
Impregnating wood
摘要
申请公布号
US2081828(A)
申请公布日期
1937.05.25
申请号
US19300422223
申请日期
1930.01.20
申请人
E. L. BRUCE CO.
发明人
LYONS FRANK H.
分类号
B27K3/48
主分类号
B27K3/48
代理机构
代理人
主权项
地址
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