Title:
【発明の名称】真空下水用Y字管継手およびサドル形Y字管継手
Document Type and Number:
Japanese Patent JP2985913
Kind Code:
B2
Inventors:
HIRUMA NOBUHIKO
NAKANISHI YOSHIHIKO
NAKANISHI YOSHIHIKO
Application Number:
JP11202992A
Publication Date:
December 06, 1999
Filing Date:
May 01, 1992
Export Citation:
Assignee:
KUBOTA KK
International Classes:
F16L41/02; E03F3/02; (IPC1-7): F16L41/02; E03F3/02
Domestic Patent References:
| JP49118263A | ||||
| JP4357396A | ||||
| JP59144080U | ||||
| JP60120090U | ||||
| JP6079080U | ||||
| JP457825Y1 |
Attorney, Agent or Firm:
Yoshito Yamada