Legal status (The legal status 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.)
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LIU PETER DONG GUANG
Original Assignee
LIU PETER DONG GUANG
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Filing date
Publication date
Priority claimed from US06/689,388external-prioritypatent/US4604297A/en
Application filed by LIU PETER DONG GUANGfiledCriticalLIU PETER DONG GUANG
Application grantedgrantedCritical
Publication of DE3679727D1publicationCriticalpatent/DE3679727D1/de