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发明名称
MANUFACTURE OF DOUBLE METALLIC PIPE WITH HIGH CORROSION RESISTANCE
摘要
申请公布号
JPH05385(A)
申请公布日期
1993.01.08
申请号
JP19910036287
申请日期
1991.03.01
申请人
SUMITOMO METAL IND LTD
发明人
FUKADA YASUTO;KOMIZO YUICHI;OGAWA KAZUHIRO
分类号
B21C37/06;B23K20/00
主分类号
B21C37/06
代理机构
代理人
主权项
地址
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