Title:
不断水分岐穿孔用の割T字管の製造方法
Document Type and Number:
Japanese Patent JP4436102
Kind Code:
B2
Inventors:
Yasuhiro Yamashita
Application Number:
JP2003342950A
Publication Date:
March 24, 2010
Filing Date:
October 01, 2003
Export Citation:
Assignee:
Mizuken Co., Ltd.
International Classes:
B22C9/04; F16L41/04; B22C7/02
Domestic Patent References:
| JP9248652A | ||||
| JP6071380A | ||||
| JP4127935A | ||||
| JP2001027349A |
Attorney, Agent or Firm:
Yoshinobu Yamamura