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发明名称
DRAIN PIPE
摘要
申请公布号
JPH05331859(A)
申请公布日期
1993.12.14
申请号
JP19920161995
申请日期
1992.05.27
申请人
K K S KK
发明人
KUMAGAI SHIGETO
分类号
E02D17/20;E02D29/02;E21F16/02;(IPC1-7):E02D17/20
主分类号
E02D17/20
代理机构
代理人
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地址
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