AU2188653A - A improved device for supporting written, typed or printed papers being read, and for marking the places reached by the reader
- Google Patents
A improved device for supporting written, typed or printed papers being read, and for marking the places reached by the reader
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H ADDINSELL Ltd
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H ADDINSELL Ltd
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Publication of AU2188653ApublicationCriticalpatent/AU2188653A/en
Publication of AU164796B2publicationCriticalpatent/AU164796B2/en
AU21886/53A1953-10-02A improved device for supporting written, typed or printed papers being read, and for marking the places reached by the reader
ExpiredAU164796B2
(en)