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发明名称
PRESSURE SEALING DEVICE
摘要
申请公布号
CA622942(A)
申请公布日期
1961.06.27
申请号
CAD622942
申请日期
申请人
THE CHEMSTRAND CORPORATION
发明人
JAMES P. RICHESON
分类号
主分类号
代理机构
代理人
主权项
地址
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