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发明名称
POROUS MATERIAL IMPREGNATING METHOD
摘要
申请公布号
CA339435(A)
申请公布日期
1934.02.20
申请号
CAD339435
申请日期
申请人
THE CANADIAN INDUSTRIES LIMITED
发明人
WILBUR A. LAZIER;HERRICK R. ARNOLD
分类号
主分类号
代理机构
代理人
主权项
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