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发明名称
CHORD LINER
摘要
申请公布号
CA917407(A)
申请公布日期
1972.12.26
申请号
CAD917407
申请日期
申请人
CANRON LIMITED - CANRON LIMITEE
发明人
JOHN K. STEWART;WILLIAM J. TYLER;HELMUTH R. E. VON BECKMANN
分类号
E01B35/00;E01B35/10;(IPC1-7):E01B35/00
主分类号
E01B35/00
代理机构
代理人
主权项
地址
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