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发明名称
MANUFACTURE OF TUBE HAVING UPSET IN TUBE END
摘要
申请公布号
JPH03418(A)
申请公布日期
1991.01.07
申请号
JP19890135441
申请日期
1989.05.29
申请人
SUMITOMO METAL IND LTD
发明人
ICHIKAWA MITSUAKI;MURAKAMI ITARU;MURATA HAYAMI
分类号
B21C37/15;B21C1/22
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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