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【单选题】
(2014·海南单科·16)晚清时期清政府实行专利制度,允许企业享有长时间生产经营垄断权。1912年北京政府规定专利保护期限最高为5年。后财政总长等为其所设公司申请30年的专利权时,未获批准。这反映了民国初期( )
A.
建立了系统完善的经济法制体系
B.
经济立法鼓励工商业自由竞争
C.
中央政府限制官营商业的发展
D.
经济法规得以完全遵照执行
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for
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A.
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B.
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C.
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