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patent log 【航海】拖曳式計程儀。

patent medicine

The transfer , mortgage , invalidation , cessation , resumption and the names of the patent owner and his nationality , change of addresses , etc . should be recorded in the patent log 專利權的轉移、質押、無效、終止、恢復和專利權人的姓名或名稱、國籍、地址變更等事項記載在專利登記薄上。