[5] Michael Reid SOGARD.Laser interferometer having a sheath for the laser beam [P].US Patent:5708505,1998-01-13.
[6] Akira ISHIDA.Apparatus for measuring straightness [P].US Patent:5333053,1994-07-26.
[5] Michael Reid SOGARD.Laser interferometer having a sheath for the laser beam [P].US Patent:5708505,1998-01-13.
[6] Akira ISHIDA.Apparatus for measuring straightness [P].US Patent:5333053,1994-07-26.
Set citation alerts for the article
Please enter your email address