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SE70304C1
(https=)
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SE384379B
(sv)
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Forfarande for overforing av bakterier till motsvarande stabila l-former (protoplaster) genom irreversibel, genotyp mutation
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GB767087A
(en)
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Improvements in heat exchangers
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CH294528A
(fr)
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Amplificateur à tubes électroniques.
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GB598771A
(en)
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Improvements relating to heat interchange apparatus
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SE70603C1
(https=)
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SE70143C1
(https=)
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SE70361C1
(https=)
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SU20764A1
(ru)
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Адаптациометр
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SE100637C1
(https=)
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GB224195A
(en)
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Improvements in the disposition of the tubes of the tubular set in surface condensersor like apparatus
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FR1086695A
(fr)
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Substances cireuses obtenues à partir de composés à noyaux pentagonaux condensés
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DE1679103U
(de)
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Buerstenkoerper.
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GB304981A
(en)
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Improvements in or relating to heat radiators and to gills therefor
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GB537907A
(en)
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Improvements in and relating to heat exchange apparatus
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GB815842A
(en)
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Improvements in and relating to heat exchangers
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GB763274A
(en)
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Improvements in and relating to heat exchangers
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FR855172A
(fr)
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Dispositif d'assemblage pour tubes, tiges, barres ou autres
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GB754014A
(en)
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Heat exchanger
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DK85408C
(da)
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Elektronrør med stablede elektroder, der sammenholdes af klemmer.
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FR1151476A
(fr)
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Tubes électroniques du type à modulation de vitesse
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Holmqvist
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Den konsthistoriska kongressen i Linz |
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GR15896B
(el)
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Προσθηκη προσαγωγου αεροφορου σωληνος εις τας πασης φυσεως θερμαστρας, δι' ου επιτυγχανεται η λειτουργια των ανευ χρησιμοποιησεως του εντος του θερμαινομενου χωρου ατμοσφαιρικου αερος.
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GB137267A
(en)
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Improvements in ventilators for buildings, ships and other places
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SE99943C1
(https=)
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