(82)
(82)
Where it is first named
(82) Priority Date: 5 August 1987 (05.08.87) 9 March 1989 (09.03.89)
How it is written
- (82) 1×
Where it is named · 1
Controlled Process for the Production of Thermal Energy from Gases and Apparatus Useful Therefor 1×
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(82) Priority Date: 5 August 1987 (05.08.87) 9 March 1989 (09.03.89)