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＜電子ブック＞
Aerial navigation and the patent laws / by William Sheldon

出版者	[Massachusetts? : s.n.]
出版年	1850
大きさ	46 p. : ill ; 22 cm
著者標目	*Sheldon, William d. 1871
件　名	LCSH:Flight LCSH:Aeronautics LCSH:Patent laws and legislation
一般注記	Reproduction of original from Kress Library of Business and Economics, Harvard University Goldsmiths'-Kress no. 36853.9 Electronic reproduction Farmington Hills, Mich. Thomson Gale 2005 Available via the World Wide Web Access limited to licensing agreements s2005 miunns HTTP:URL=http://reo.nii.ac.jp/hss/2000000000231351

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