Low voltage hot knife

作者: Krebs Paul

DOI:

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摘要: This invention relates to hot knives adapted be used for uncapping honeycombs. It may also in industries, wherein any heated knife employed such as the butcher business, bakeries, cutting tar, fatty solids, and like. An object of is provide a device...

参考文章(3)
Stringer Roy, Honey uncapping knife ,(1933)
Harold N Shaw, Electrical heating apparatus ,(1928)
Ralph C Persons, Electric soldering iron ,(1934)