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发明名称
SUCTION SEWERAGE METHOD
摘要
申请公布号
JPH02266032(A)
申请公布日期
1990.10.30
申请号
JP19890085163
申请日期
1989.04.04
申请人
SUGIYAMA SHIGEAKI
发明人
SUGIYAMA SHIGEAKI
分类号
E03F3/02;(IPC1-7):E03F3/02
主分类号
E03F3/02
代理机构
代理人
主权项
地址
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