factory mark; manufacturing plant identification mark
A mark printed on goods to identify the factory where they were produced. Used in manufacturing, quality control, and regulatory contexts.
The factory mark is printed on the packaging of this product.
Under the Food Labeling Act, displaying the manufacturing plant identification mark is sometimes required.
Compound of 製造所 (factory) + 固有 (inherent, unique) + 記号 (mark, symbol). A technical term used in Japanese manufacturing and labeling regulations.