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.)
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 date listed.)
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Priority to JP4304681UpriorityCriticalpatent/JPS57156097U/ja
Priority to US06/329,473prioritypatent/US4457672A/en
Priority to GB8137848Aprioritypatent/GB2095331B/en
Priority to AU78891/81Aprioritypatent/AU547431B2/en
Priority to PH26719Aprioritypatent/PH20314A/en
Publication of JPS57156097UpublicationCriticalpatent/JPS57156097U/ja
Priority to SG690/84Aprioritypatent/SG69084G/en
Priority to HK938/84Aprioritypatent/HK93884A/xx
Priority to MY1985899Aprioritypatent/MY8500899A/xx