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经营范围
发明名称
CAP STRUCTURE OF END SECTION OF SQUARE STEEL
摘要
申请公布号
JPS59231289(A)
申请公布日期
1984.12.25
申请号
JP19830102640
申请日期
1983.06.10
申请人
HITACHI SEISAKUSHO KK
发明人
AOKI MASATAKA
分类号
F16L55/10;F16L55/00;(IPC1-7):F16L55/10
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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