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发明名称
PIPE FOR DRIVING METHOD
摘要
申请公布号
JPH06146784(A)
申请公布日期
1994.05.27
申请号
JP19920303594
申请日期
1992.11.13
申请人
SEKISUI CHEM CO LTD
发明人
NAKAI KENJI;MARUSHITA YOSHIKAZU
分类号
E21D9/06;F16L21/02;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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