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发明名称
REMOVABLE CORE WITH INDICATOR PIN
摘要
申请公布号
CA824889(A)
申请公布日期
1969.10.14
申请号
CAD824889
申请日期
申请人
NORRIS INDUSTRIES
发明人
FRED J. RUSSELL;PAUL CIROCCO
分类号
主分类号
代理机构
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