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发明名称
METHOD OF PRODUCING CORRUGATED PIPE WITH FIN
摘要
申请公布号
JPS52120267(A)
申请公布日期
1977.10.08
申请号
JP19760037623
申请日期
1976.04.02
申请人
DAIKIN IND LTD
发明人
KAMAYA KATSUMI;YAMANAKA MIZAI
分类号
B21C37/26;B21D15/04;B21D53/02
主分类号
B21C37/26
代理机构
代理人
主权项
地址
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