Title:
【考案の名称】二層管用排水継手
Document Type and Number:
Japanese Patent JP2604233
Kind Code:
Y2
Inventors:
Takashi Watanabe
Hiroshi Nishino
Yoshiro Koyama
Hiroshi Nishino
Yoshiro Koyama
Application Number:
JP5870993U
Publication Date:
April 24, 2000
Filing Date:
October 29, 1993
Export Citation:
Assignee:
Nishihara Sanitation Co., Ltd.
Mitsubishi Plastics Co., Ltd.
Mitsubishi Plastics Co., Ltd.
International Classes:
E03C1/12; F16L39/00; (IPC1-7): E03C1/12; F16L39/00
Domestic Patent References:
| JP6263292A |
Attorney, Agent or Firm:
Hiroaki Tazawa (1 person outside)