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经营范围
发明名称
PRODUCTION FOR STEEL PIPE
摘要
申请公布号
JPS6228077(A)
申请公布日期
1987.02.06
申请号
JP19850168383
申请日期
1985.07.30
申请人
NIPPON STEEL CORP
发明人
FUKUTANI KAZUHIKO;YAMAGUCHI MASANOBU;MASHIMA HIROYOSHI
分类号
B23K9/08;B23K9/00
主分类号
B23K9/08
代理机构
代理人
主权项
地址
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