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On this page, you can select 「MainGroup」 or 「Facet」 in G09C. |
HB:Handbook | ||||
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Select the desired 「MainGroup」 or 「facet」 etc. |
CC:Concordance | ||||
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Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C 3/00) | HB | CC | 5J104 | |
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Typewriters for ciphering or deciphering cryptographic text | HB | CC | 5J104 | |
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Ciphering or deciphering apparatus or methods not provided for in other groups of this subclass, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages | HB | CC | 5J104 | |