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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Application filedfiledCritical
Priority to JP15492975ApriorityCriticalpatent/JPS5279483A/ja
Publication of JPS5279483ApublicationCriticalpatent/JPS5279483A/ja
Publication of JPS5338505B2publicationCriticalpatent/JPS5338505B2/ja
JP15492975A1975-12-261975-12-26Device for selectively controlling the energization of noise preventin g device for feeding steel pipes
GrantedJPS5279483A
(en)
