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Priority to JP8409668UpriorityCriticalpatent/JPS4841699Y1/ja
Priority to DE19691948544prioritypatent/DE1948544A1/de
Priority to BE739437Dprioritypatent/BE739437A/xx
Priority to GB4749469Aprioritypatent/GB1283984A/en
Priority to FR6933744Aprioritypatent/FR2019092A1/fr
Publication of JPS4841699Y1publicationCriticalpatent/JPS4841699Y1/ja