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Title:
【発明の名称】雨水排水ポンプ装置及びその運転方法
Document Type and Number:
Japanese Patent JP2995600
Kind Code:
B2
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Inventors:
Yutaka Shimada
Matsui Shiro
Application Number:
JP25664692A
Publication Date:
December 27, 1999
Filing Date:
September 25, 1992
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
E03F5/22; E03F1/00; E03F9/00; F04D29/70; (IPC1-7): E03F5/22; E03F1/00; F04D29/70
Domestic Patent References:
JP63173900A
JP6360100U
Attorney, Agent or Firm:
Unuma Tatsuyuki



 
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