Title:
【考案の名称】固有振動数調整機能を有する船舶のポスト
Document Type and Number:
Japanese Patent JPH04104090
Kind Code:
U
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Inventors:
Fumio Masaoka
Takanori Hatachi
Katsunori Hirai
Takanori Hatachi
Katsunori Hirai
Application Number:
JP1261591U
Publication Date:
September 08, 1992
Filing Date:
February 14, 1991
Export Citation:
International Classes:
B63B15/00; (IPC1-7): B63B15/00