Title:
【考案の名称】二重ねじ構造
Document Type and Number:
Japanese Patent JPH04121516
Kind Code:
U
Inventors:
Kenji Takashi
Application Number:
JP2601591U
Publication Date:
October 30, 1992
Filing Date:
April 18, 1991
Export Citation:
International Classes:
F16B33/00; F16B41/00; (IPC1-7): F16B33/00; F16B41/00