July 27 (Reuters) - Canadian National Railway Co CNR.TO
* CN announces C$500-million debt offering
* Says announced a public debt offering of C$500 million 3.6% notes due 2047
July 27 (Reuters) - Canadian National Railway Co CNR.TO
* CN announces C$500-million debt offering
* Says announced a public debt offering of C$500 million 3.6% notes due 2047