|
CH704024A1
|
|
Heat exchanger.
|
|
CH703989A1
|
|
Pipe coupling.
|
|
AU8163801A
|
|
Heat exchanger
|
|
AU4039401A
|
|
Energy element
|
|
AU4039501A
|
|
Energy element with photovoltaic layer
|
|
WO0114080A1
|
|
Heat exchanger
|
|
EP1008820A1
|
|
Solar collector element
|
|
DE3100877A1
|
|
Device for purifying waste waters from garages, cleaners and industrial factories etc.
|
|
CH564137A5
|
|
Structural element contg. exfoliated vermiculite and binder - are light, elastic and non-inflammable
|
|
GB191421884A
|
|
Improvements in and relating to the Preparation of Photographic Papers and the like.
|
|
GB191301477A
|
|
Double Paper for Transfer- and Chromo-printing and the like.
|
|
GB190814080A
|
|
Improvements in or relating to Switch Holders for Electric Incandescent Lamps
|
|
GB190726445A
|
|
Method of Producing Paper to be used as Photographic or Blue Print Paper and the like.
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