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发明名称
CLOSURE MEANS
摘要
申请公布号
CA644209(A)
申请公布日期
1962.07.03
申请号
CAD644209
申请日期
申请人
ENTERPRISE RAILWAY EQUIPMENT COMPANY
发明人
GEORGE B. DOREY
分类号
主分类号
代理机构
代理人
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地址
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