Title:
マンホールピースの雌端部の継手構造
Document Type and Number:
Japanese Patent JP3123599
Kind Code:
U
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Inventors:
Hatemitsu Mitsumitsu
Application Number:
JP2006003511U
Publication Date:
July 20, 2006
Filing Date:
May 11, 2006
Export Citation:
Assignee:
Nakagawa Hume Tube Co., Ltd.
International Classes:
E02D29/12; F16L21/02
Attorney, Agent or Firm:
Sakuo Yamaguchi