Title:
【考案の名称】コア採取器具
Document Type and Number:
Japanese Patent JP3023321
Kind Code:
U
Inventors:
Hidetoshi Sudani
Application Number:
JP1133595U
Publication Date:
April 16, 1996
Filing Date:
September 28, 1995
Export Citation:
Assignee:
Core Co., Ltd.-Pack
International Classes:
(IPC1-7): E21B25/00
Attorney, Agent or Firm:
Masamichi Ayada (1 person outside)
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