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Papers relative to Mr. Champion's application to Parliament for the extension of the term of a patent
- "Papers relative to Mr. Champion's application to Parliament for the extension of the term of a patent"@en
- "Papers relative to Mr. Champion's application to Parliament for the extension of the term of a patent"
- "Papers relative to Mr. Champion's application to Parliament for the extension of the term of a patent. for the extension of the term of a patent"
- "Papers relative to Mr. Champion's application to Parliament, for the extension of the term of a patent"
- "Papers relative to Mr. Champion's application to Parliament, for the extension of the term of a patent"@en
- "Papers relative to Mr. Champion's Application to Parliament, for the extension of the term of a patent [granted 17 March 1768 to W. Cookworthy, for the sole use of certain materials for making porcelain, the right of which he had assigned to J. Wedgwood]"@en