Title:
【考案の名称】電子顕微鏡における倍率測定装置
Document Type and Number:
Japanese Patent JPH04112451
Kind Code:
U
Inventors:
Shuji Saito
Application Number:
JP1618891U
Publication Date:
September 30, 1992
Filing Date:
March 19, 1991
Export Citation:
International Classes:
H01J37/22; (IPC1-7): H01J37/22