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经营范围
发明名称
MANUFACTURE OF INSIDE SURFACE GROOVED PIPE
摘要
申请公布号
JPH02224835(A)
申请公布日期
1990.09.06
申请号
JP19890048100
申请日期
1989.02.28
申请人
SUMITOMO LIGHT METAL IND LTD
发明人
SATO YOSHIO
分类号
F28F1/40;B21D17/04;B21D53/06
主分类号
F28F1/40
代理机构
代理人
主权项
地址
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