During World War II, he worked in aerospace research, later he was a pioneer in the paper industry and registered more than 30 patents.
Later he was a pioneer in the paper industry and registered more than 30 patents. During World War II he worked in aerospace research.
During World War II he worked in aerospace research. Later he was a pioneer in the paper industry and registered more than 30 patents.
During World War II he worked in aerospace research. Later he was a pioneer in the paper industry and registered more than 30 patents.