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发明名称
MANUFACTURE OF WELDED PLATED STEEL PIPE
摘要
申请公布号
JPH04197517(A)
申请公布日期
1992.07.17
申请号
JP19900326450
申请日期
1990.11.28
申请人
NISSHIN STEEL CO LTD
发明人
INOUE SHOJI;FUKUMURA KATSUHIKO;NAKAKO TAKEFUMI
分类号
B21C37/08;B21D5/12
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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