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经营范围
发明名称
METHOD OF JOINING PIPE BY RESISTANCE HEATING
摘要
申请公布号
JPS60116990(A)
申请公布日期
1985.06.24
申请号
JP19830224120
申请日期
1983.11.30
申请人
HITACHI SEISAKUSHO KK
发明人
WAKABAYASHI YOUICHI;OCHIAI IZUMI
分类号
F16L13/02
主分类号
F16L13/02
代理机构
代理人
主权项
地址
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