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filingDate 1975-02-26-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate 1977-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9a86dc671a3860a082887906f4452757
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8dae638a350130bfbe90afd8c01f88d5
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publicationDate 1977-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-4033362-A
titleOfInvention Filter for tobacco smoke
abstract The present invention relates to a new type of filter for tobacco smoke, which filter has a diffusion portion, in which the smoke stream is separated from the outer air by means of a membrane, which is permeable to low molecular smoke constituents.
isCitedBy http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4213470-A
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6718989-B1
priorityDate 1974-03-13-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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Total number of triples: 37.