通导助手
国际公约法规(含国/部/行标)
​A.821(19) Performan
​A.821(19) Performance Standards for GYRO-Compasses for High-Speed Craft 高速船用电罗经性能标准
国际公约法规(含国/部/行标) / A. Resolution(大会决议)
84阅读2022-02-14

A.821(19) Performance Standards For GYRO-COMPASSES For High-Speed Craft 高速船用电罗经性能标准

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