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经营范围
发明名称
PRODUCING DEVICE FOR GROOVED PIPE
摘要
申请公布号
JPS579529(A)
申请公布日期
1982.01.19
申请号
JP19800082471
申请日期
1980.06.18
申请人
SUMITOMO LIGHT METAL IND
发明人
MIYATA KATSUO
分类号
B21C37/20
主分类号
B21C37/20
代理机构
代理人
主权项
地址
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