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发明名称
METHOD AND EQUIPMENT FOR MANUFACTURING COUPLING PIPE FOR CONNECTING PIPE WITH EXTREMELY THICK WALL
摘要
申请公布号
JPS5285966(A)
申请公布日期
1977.07.16
申请号
JP19760063433
申请日期
1976.05.31
申请人
CREUSOT LOIRE
发明人
PIEERU DEYURAKUWAI
分类号
B21C37/29
主分类号
B21C37/29
代理机构
代理人
主权项
地址
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