That was a common practice in those days. I remember
seeing news stories about it. I "think" a law was passed in late 80s forbidding
that. A lot of products now say "this box was (proudly) made in the USA.
Will
https://www.ftc.gov/business-guidance/resources/complying-made-usa-standard…
Third example under. U.S. origin claims for specific processes or parts
Apparently passed in 1997.
Will