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发明名称
JOINT METHOD OF PIPE AND JOINT TOOL
摘要
申请公布号
JPS63172081(A)
申请公布日期
1988.07.15
申请号
JP19870003726
申请日期
1987.01.10
申请人
DAIDO STEEL CO LTD
发明人
HATTORI SEIJI
分类号
F16L21/00
主分类号
F16L21/00
代理机构
代理人
主权项
地址
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