附件1:牛、羊用输精枪征求意见稿.doc
附件2:兽医听诊器征求意见稿.doc
附件3:兽用疫苗投药器征求意见稿.doc
附件4:兽用注射针头接换器征求意见稿.docx
附件5:回执.docx