230000015572 biosynthetic process Effects 0.000 description 2.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by 姜平泉 filed Critical 姜平泉 Priority to CN 87207352 priority Critical patent/CN87207352U/en Publication of CN87207352U publication Critical patent/CN87207352U/en Status Withdrawn legal-status Critical Current Links Inventor 姜平泉 Original Assignee 姜平泉 Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application number CN 87207352 Other languages Chinese ( zh)