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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PUROSESU SAIENTEIFUITSUKU INOBEISHONZU Ltd
Original Assignee
PUROSESU SAIENTEIFUITSUKU INOBEISHONZU Ltd
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Filing date
Publication date
Application filed by PUROSESU SAIENTEIFUITSUKU INOBEISHONZU LtdfiledCriticalPUROSESU SAIENTEIFUITSUKU INOBEISHONZU Ltd
Publication of JPS58109115ApublicationCriticalpatent/JPS58109115A/ja
Publication of JPH0443685B2publicationCriticalpatent/JPH0443685B2/ja
Multiple filter unit, particularly for ventilation and air conditioning systems for motor vehicles and closed environments, and provided with efficiency checking means