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发明名称
MANUFACTURE OF SEAMLESS TUBE
摘要
申请公布号
JPH0413402(A)
申请公布日期
1992.01.17
申请号
JP19900119086
申请日期
1990.05.08
申请人
SUMITOMO METAL IND LTD
发明人
SATO KATSUJI
分类号
B21B17/14;B21B19/10
主分类号
B21B17/14
代理机构
代理人
主权项
地址
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