It is {HEAD ~ the main object} of {TAIL ~ the present invention} to provide a hot air blowing gun, which minimizes the contact area between the inner barrel and the housing so as to reduce the transmission of heat from the inner barrel to the housing 
of
It is { HEAD ~ the main object } of { TAIL ~ the present invention } to provide a hot air blowing gun , which minimizes the contact area between the inner barrel and the housing so as to reduce the transmission of heat from the inner barrel to the housing
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