"Guess they weren't up to interchangeability of parts like the US. "
That's why other countries stamped an assembly number or serial number on all the parts, because they were hand-fitted.
We used drawing numbers to denote the design of a particular part. But they were, for the most part, interchangeable.
That's why other countries stamped an assembly number or serial number on all the parts, because they were hand-fitted.
We used drawing numbers to denote the design of a particular part. But they were, for the most part, interchangeable.

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