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发明名称
RAILWAY JOURNAL BOX DUST GUARD
摘要
申请公布号
CA686082(A)
申请公布日期
1964.05.12
申请号
CAD686082
申请日期
申请人
RUSSELL W. SENIFF;PELL KANGAS;ROLAND N. FRACALOSSI
发明人
RUSSELL W. SENIFF;ROLAND N. FRACALOSSI;PELL KANGAS
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主分类号
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