Title:
【考案の名称】ボーリング用チップ
Document Type and Number:
Japanese Patent JP2528822
Kind Code:
Y2
Inventors:
Nobuhiko Matsui
Application Number:
JP6081891U
Publication Date:
March 12, 1997
Filing Date:
August 01, 1991
Export Citation:
Assignee:
Wako Co., Ltd.
International Classes:
E21B10/02; E21B1/00; E21B10/48; (IPC1-7): E21B10/02; E21B10/48
Attorney, Agent or Firm:
Toshitada Takahashi (1 outside)