BR7904172A - Aperfeicoamentos em valvulas
- Google Patents
Aperfeicoamentos em valvulas
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Publication number
BR7904172A
BR7904172ABR7904172ABR7904172ABR7904172ABR 7904172 ABR7904172 ABR 7904172ABR 7904172 ABR7904172 ABR 7904172ABR 7904172 ABR7904172 ABR 7904172ABR 7904172 ABR7904172 ABR 7904172A
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Application filed by B LichtensteinfiledCriticalB Lichtenstein
Priority to BR7904172ApriorityCriticalpatent/BR7904172A/pt
Publication of BR7904172ApublicationCriticalpatent/BR7904172A/pt