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发明名称
VALVE SEALS FOR DRY SOLID PUMPS
摘要
申请公布号
CA851057(A)
申请公布日期
1970.09.08
申请号
CAD851057
申请日期
申请人
UNION CARBIDE CORPORATION
发明人
THOMAS G. DAY
分类号
主分类号
代理机构
代理人
主权项
地址
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