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发明名称
METHOD OF PRODUCING FLARED BEND PIPE AND MANDREL DEVICE USED FOR SAME
摘要
申请公布号
JPS5210852(A)
申请公布日期
1977.01.27
申请号
JP19750087052
申请日期
1975.07.15
申请人
DAIICHI KOUSHIYUUHA KOUGIYOU KK
发明人
OKAMOTO TATSUMI;KAWANAMI SHIYUNPEI
分类号
B21C37/28;B21D7/16
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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