A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
A62B18/02—Masks
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D99/00—Subject matter not provided for in other groups of this subclass
B29D99/0064—Producing wearing apparel
B29D99/0071—Masks, e.g. gas masks
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Zoology
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Pulmonology
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General Health & Medical Sciences
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Business, Economics & Management
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Woven Fabrics
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Respiratory Apparatuses And Protective Means
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Sätt att vid framställning av cellulosa eller dylikt i kokare eller autoklav med cirkulation av kokvätskan utanför kokaren möjliggöra en förkortning av den tid, under vilken kokaren tömmes
Procedimiento para unir las telas de goma empleadas, sobre todo, en la fabricación de caretas contra el gas, y especialmente las telas llamadas doublé.
Procedimiento de chapeado de planchas de madera por ambas caras con galalita y celuloides aplicables a la fabricación de puños para paraguas, sombrillas, bastones y objetos similares.