US4364760A - Ceramic honeycomb filter -
US4364760A US06/197,017 US19701780A US4364760A US 4364760 A US4364760 A US 4364760A US 19701780 A US19701780 A US 19701780A US 4364760 A US4364760 A US 4364760A Authority US United States Prior art keywords ceramic honeycomb channels ceramic sealant honeycomb structural Prior art date 1980-08-28 Legal status (The legal …
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