Massgebend bleiben die offiziellen Quellen und Fassungen der zuständigen Behörden.
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Art. 51 Amended by No I of the FA of 17 Dec. 1976, in force since 1 Jan. 1978 (AS 1977 1997; BBl 1976 II 1). Amended by No I of the FA of 17 Dec. 1976, in force since 1 Jan. 1978 (AS 1977 1997; BBl 1976 II 1). 1 The invention must be defined in one or more patent claims. 2 The claims of the patent s