Title:
【発明の名称】襞付ベンド管の製造方法
Document Type and Number:
Japanese Patent JPH0780016
Kind Code:
B2
Inventors:
Yamaguchi Josuke
Application Number:
JP2054884A
Publication Date:
August 30, 1995
Filing Date:
February 07, 1984
Export Citation:
Assignee:
Dai-ichi Kogyo Kogyo Co., Ltd.
International Classes:
B21D7/025; B21D9/07; (IPC1-7): B21D7/025
Domestic Patent References:
| JP5451019A | ||||
| JP561728U | ||||
| JP57127325U | ||||
| JP59147973U |
Attorney, Agent or Firm:
Kyozo Norimatsu