Title:
【発明の名称】逆流防止装置
Document Type and Number:
Japanese Patent JP3345315
Kind Code:
B2
Inventors:
Hiroyoshi Kazome
Masaaki Konno
Masaaki Konno
Application Number:
JP26019097A
Publication Date:
November 18, 2002
Filing Date:
September 25, 1997
Export Citation:
Assignee:
Sumitomo Heavy Industries Ltd.
International Classes:
B29C45/52; B29C45/76; (IPC1-7): B29C45/52; B29C45/76
Domestic Patent References:
| JP4938759U |
Attorney, Agent or Firm:
Kawai Makoto (1 person outside)