To foreign - related patent agencies and micro - organism depositary institutions : these rules are formulated in order to implement paper no . 117 1990 of the chinese patent office in respect of " notice concerning handling of deposited micro - organisms by the chinese patent office " hereinafter referred to as the notice 二口述作品,是指即兴的演说授课法庭辩论等以口头语言形式表现的作品三音乐作品,是指歌曲交响乐等能够演唱或者演奏的带词或者不带词的作品