Title:
【考案の名称】音響分析による検査装置
Document Type and Number:
Japanese Patent JPH04109335
Kind Code:
U
Inventors:
Akio Watanabe
Application Number:
JP1920191U
Publication Date:
September 22, 1992
Filing Date:
March 05, 1991
Export Citation:
International Classes:
G01H3/08; G01H17/00; G01R23/16; G01R23/165; (IPC1-7): G01H17/00; G01H3/08; G01R23/16; G01R23/165