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发明名称
BEND EXPANSION JOINT FOR CONCRETE PIPE
摘要
申请公布号
JPS57195987(A)
申请公布日期
1982.12.01
申请号
JP19810081499
申请日期
1981.05.28
申请人
MITSUBISHI JUKOGYO KK
发明人
HIRATA SUSUMU
分类号
F16L27/10
主分类号
F16L27/10
代理机构
代理人
主权项
地址
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