Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Messwandler Bau AgfiledCriticalMesswandler Bau Ag
Priority to IN553CA1990priorityCriticalpatent/IN176074B/en
Publication of IN176074BpublicationCriticalpatent/IN176074B/en
