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发明名称
FIN PASS FORMING METHOD FOR RESISTANCE WELDED STEEL TUBE
摘要
申请公布号
JPH03169432(A)
申请公布日期
1991.07.23
申请号
JP19890311047
申请日期
1989.11.30
申请人
KAWASAKI STEEL CORP
发明人
SHINJI OSAMU;KAWAZU NOBUYOSHI;KOBAYASHI AKIRA
分类号
B21D5/12
主分类号
B21D5/12
代理机构
代理人
主权项
地址
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