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Priority to JP13768189UpriorityCriticalpatent/JPH0436182Y2/ja
Publication of JPH0377213UpublicationCriticalpatent/JPH0377213U/ja
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Publication of JPH0436182Y2publicationCriticalpatent/JPH0436182Y2/ja
A method of providing a mounting frame for electrical components, a coupling frame for performing the method, and a concealed electrical installation system for cooperation with the coupling frame