| http://www.w3.org/ns/prov#value | - An LPG vaporizer mechanism comprising a container, means for heating said container, a source of LPG, a liquid controller including first and second chambers separated by a diaphragm, an outlet valve from said first chamber controlled by said diaphragm, means for connecting said source to said first chamber, means establishing an orifice for controlling flow from said first chamber to said second
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