FR520124A -
Method and apparatus for the use of burning materials of all kinds, particularly such materials which are hardly flammable or scorified or strongly scorified
- Google Patents
Method and apparatus for the use of burning materials of all kinds, particularly such materials which are hardly flammable or scorified or strongly scorified
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F23H2700/00—Grates characterised by special features or applications
F23H2700/003—Stepped grates with rotatable or slidable gratebars
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FR520124A1919-03-201920-07-09
Method and apparatus for the use of burning materials of all kinds, particularly such materials which are hardly flammable or scorified or strongly scorified
ExpiredFR520124A
(en)
Method and apparatus for the use of burning materials of all kinds, particularly such materials which are hardly flammable or scorified or strongly scorified
Method and apparatus for the use of burning materials of all kinds, particularly such materials which are hardly flammable or scorified or strongly scorified