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发明名称
MANUFACTURE OF CLAD METALLIC TUBE
摘要
申请公布号
JPH04182023(A)
申请公布日期
1992.06.29
申请号
JP19900308259
申请日期
1990.11.14
申请人
SUMITOMO METAL IND LTD
发明人
NAKASUJI KAZUYUKI
分类号
B21C37/06;B23K20/00;C22C19/03
主分类号
B21C37/06
代理机构
代理人
主权项
地址
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