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Mr. Hener told me that | Mr. Hener told me that he found an internal memorandum dating from 10th June 1974, stating that: | ||
<blockquote><q>As from 7th June, all straight grain pipes are to have an additional marking which will be as follows: | <blockquote><q>As from 7th June, all straight grain pipes are to have an additional marking which will be as follows: |