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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Hitachi Ltd
Original Assignee
Hitachi Ltd
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.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP8338875ApriorityCriticalpatent/JPS528668A/en
Publication of JPS528668ApublicationCriticalpatent/JPS528668A/en
PURPOSE: To reduce the manufacturing cost of the mold die for the filter and standardize the filter part, and to obtain metal die capable of stabilized quality.
COPYRIGHT: (C)1977,JPO&Japio
JP8338875A1975-07-091975-07-09Filter mold die for vacuum cleaner
PendingJPS528668A
(en)