BR7604000A -
IMPROVEMENTS IN THE CONSTRUCTION OF UNDERWATER TUNNELS
- Google Patents
IMPROVEMENTS IN THE CONSTRUCTION OF UNDERWATER TUNNELS
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Publication number
BR7604000A
BR7604000ABR7604000ABR7604000ABR7604000ABR 7604000 ABR7604000 ABR 7604000ABR 7604000 ABR7604000 ABR 7604000ABR 7604000 ABR7604000 ABR 7604000ABR 7604000 ABR7604000 ABR 7604000A
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Application filed by E AltgeltfiledCriticalE Altgelt
Priority to BR7604000ApriorityCriticalpatent/BR7604000A/en
Publication of BR7604000ApublicationCriticalpatent/BR7604000A/en