Title:
【考案の名称】円錐柱プロペラ
Document Type and Number:
Japanese Patent JPS613990
Kind Code:
U
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Inventors:
Motoyama Koyama
Application Number:
JP8714784U
Publication Date:
January 11, 1986
Filing Date:
June 12, 1984
Export Citation:
International Classes:
F04D3/02; B63H1/12; F04D29/18; (IPC1-7): F04D3/02; B63H1/12; F04D29/18
Domestic Patent References:
| JPS5385503A | 1978-07-28 |
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