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发明名称
ANTI-CORORSION PLUG
摘要
申请公布号
CA450740(A)
申请公布日期
1948.08.24
申请号
CAD450740
申请日期
申请人
NILES-BEMENT-POND COMPANY
发明人
HARRY A. LOCKWOOD
分类号
主分类号
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