Nova Patents
JPS57123647A

Method of producing tubular bulb

Abstract

This record has no abstract on file.

JPS57123647A, drawing sheet 1
Sheet 1 of 1

Term

Term ended

Projected expiry passed 23 January 2001, 25.7 years ago.

  1. Priority and filed
  2. Published
  3. Projected expiry
  4. Today

1 sheet

  1. Sheet 1