Title:
【発明の名称】二重曲管の製造方法及び同装置
Document Type and Number:
Japanese Patent JPH0659505
Kind Code:
B2
Inventors:
Yasutaka
Yamaguchi Josuke
Yamaguchi Josuke
Application Number:
JP27164585A
Publication Date:
August 10, 1994
Filing Date:
December 04, 1985
Export Citation:
Assignee:
Dai-ichi Kogyo Kogyo Co., Ltd.
International Classes:
B21D7/16; B21D9/00; (IPC1-7): B21D7/16; B21D9/00
Domestic Patent References:
| JP6025207B1 |
Attorney, Agent or Firm:
Morinosuke Higuchi (1 person outside)
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