BR7806516A -
IMPROVEMENTS IN NOTEBOOKS
- Google Patents
IMPROVEMENTS IN NOTEBOOKS
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Publication number
BR7806516A
BR7806516ABR7806516ABR7806516ABR7806516ABR 7806516 ABR7806516 ABR 7806516ABR 7806516 ABR7806516 ABR 7806516ABR 7806516 ABR7806516 ABR 7806516ABR 7806516 ABR7806516 ABR 7806516A
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Application filed by W YaofiledCriticalW Yao
Priority to BR7806516ApriorityCriticalpatent/BR7806516A/en
Publication of BR7806516ApublicationCriticalpatent/BR7806516A/en