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 JP2656674ApriorityCriticalpatent/JPS5326628B2/ja
Priority to US05/492,934prioritypatent/US3958423A/en
Priority to DE2438455Aprioritypatent/DE2438455C3/de
Publication of JPS50119168ApublicationCriticalpatent/JPS50119168A/ja
Publication of JPS5326628B2publicationCriticalpatent/JPS5326628B2/ja
