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发明名称
PIT FOR SEWERAGE
摘要
申请公布号
JPH1082089(A)
申请公布日期
1998.03.31
申请号
JP19970080915
申请日期
1997.03.31
申请人
MATSUI SHOICHI
发明人
MATSUI SHOICHI
分类号
E03F1/00;(IPC1-7):E03F1/00
主分类号
E03F1/00
代理机构
代理人
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