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Pat. Off. abbr.Patent Office 专利局 以上来源于：《21世纪大英汉词典》 Pat. Off.abbr.=Patent Office详细释义源自:《新世纪英汉大词典》Collins外研社 abbr=Patent OfficePat. Off.abbr.（縮寫 abbreviation）專利局(= Patent Office)Pat. Off.Patent Office專利局document.write('function myFunction(n){var c=docu |