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Matthew (inventor). Jackson
(1909) e-book downloads. Guidance Note 3: Inspection & Testing | Klimko Weedman « original printed patent application number 27,437 for improvements in or relating to acetylene generators.
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Matthew (inventor). Jackson
Download ORIGINAL PRINTED PATENT APPLICATION NUMBER 27,437 FOR IMPROVEMENTS IN OR RELATING TO ACETYLENE GENERATORS. (1909)
(1909) e-book downloads. Guidance Note 3: Inspection & Testing | Klimko Weedman « original printed patent application number 27,437 for improvements in or relating to acetylene generators.