This is a Japanese patent. If you see these in the first office action, you can find the comparison file in the compressed package of the first office action
You can go online I checked the patent search website, such as SooPAT, and I found it. Enter the SooPAT website, click on World Patent Search, enter the application number JP 49089675 A, and it’s done.
[JP] - JP51024128A
Application number: JP19740089675 Application date: 1974-08-05
Applicant: ?RICOH KK
Inventor (designer): HANADA TADASHI YAMADA YUKIO OOHORI TAMIO ABE OONORIHAMAGUCHI IWAO UMEZAWA MICHIO