Method for preparing helical fluorescent lamp tube

Method for preparing helical fluorescent lamp tube

  • CN 101,450,836 B
  • Filed: 12/06/2007
  • Issued: 07/02/2014
  • Est. Priority Date: 12/06/2007
  • Status: Active Grant
First Claim
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1. a preparation method for helical fluorescent lamp tube, comprises bend pipe, froths, upper powder, exhaust air technique, it is characterized in that there is no the independent technique that froths, and bulb at cool end [2] completes in bent tube technique simultaneously.

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