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经营范围
发明名称
MANUFACTURE OF PRESTRESSED STEEL SHEET CONCRETE PIPE
摘要
申请公布号
JPH04110105(A)
申请公布日期
1992.04.10
申请号
JP19900226479
申请日期
1990.08.30
申请人
MITSUBISHI HEAVY IND LTD
发明人
SEKIMOTO HISASHI
分类号
F16L9/08;B28B21/58;B28B21/68;B28B21/72
主分类号
F16L9/08
代理机构
代理人
主权项
地址
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