office of maritime administration
office of maritime administration 航政主管机关 united states maritime administration 美国航运管理局 ..
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第55条(客船证书之有效期间)客船证书之有效期间，由航政主管机关视其适航性核定之。但不得超过一年。
Article55a passenger ship certificate shall be effective for a period as granted by the shipping administration authority depending on her seaworthiness; however it shall not exceed one year.
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