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经营范围
发明名称
CLAD STEEL TUBE
摘要
申请公布号
JPH11193448(A)
申请公布日期
1999.07.21
申请号
JP19980000365
申请日期
1998.01.05
申请人
NKK CORP
发明人
HAYASHI KENJI;KOJIMA TOSHIFUMI;MINAMI YUSUKE;TOYAMA AKIRA;HAYASHIDA MICHIO
分类号
F16L9/02;B21C37/06;B23K20/04;C22C38/00;C22C38/18;(IPC1-7):C22C38/00
主分类号
F16L9/02
代理机构
代理人
主权项
地址
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