German data on use of electric current for prevention of freezing and for thawing of water pipe lines, also other piping, tanks, etc; comparative costs of cork insulation and electric heating for prevention of freezing.


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    Title :

    Waermeschutz mit elektrischer Hilfsheizung


    Additional title:

    Waermeschutz mit elektrischer Hilfsheizung


    Contributors:

    Published in:

    Publication date :

    1937


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    German