ZZhuan li quanZhuan li quande Shuhua XiaMateriasPatent laws and legislationPopular worksEdiciones (1)Zhuan li quan (1987)Fa lü chu ban she · chinoMás obras de Shuhua XiaSShang biao fa yao lunShang biao fa yao lunZZhuan li fa gai yaoZhuan li fa gai yaoZZhi shi chan quan fa li lun yu shi wuZhi shi chan quan fa li lun yu shi wu