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发明名称
Preservation of timber
摘要
申请公布号
US2503841(A)
申请公布日期
1950.04.11
申请号
US19460705255
申请日期
1946.10.23
申请人
WARD BLENKINSOP & COMPANY LIMITED
发明人
PRITCHARD GORDON JAMES
分类号
B27K3/50
主分类号
B27K3/50
代理机构
代理人
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