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发明名称
CIRCUMFERENTIAL SEALING LEAVES
摘要
申请公布号
CA529557(A)
申请公布日期
1956.08.28
申请号
CAD529557
申请日期
申请人
THE AIR PREHEATER CORPORATION
发明人
WILLIAM E. HAMMOND;JOHN A. LIDFORD
分类号
主分类号
代理机构
代理人
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