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Speed-test Systems--Postal Service

United States. Congress. House. Committee on Post Office and Post Roads. Subcommittee No. 2, Offenses Against the Postal Service

其他書名	Hearings Before a Subcommittee of the Committee on the Post Office and Post Roads, House of Representatives, Sixty-eighth Congress, Second Session, on H.R. 11705. February 25, 1925
出版	U.S. Government Printing Office, 1925
URL	http://books.google.com.hk/books?id=6xIvAAAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN