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1 School Supplement of Air Commerce Regulations: Effective as Amended January 1, 1931 I (1931)

handle is hein.space/shlsum0001 and id is 1 raw text is: U. S. DEPARTMENT OF COMMERCE
AERONAUTICS BRANCH
AERONAUTICS BULLETIN No. 7-B
SCHOOL SUPPLEMENT
OF
AIR COMMERCE REGULATIONS

Effective as amended January 1, 1931
OF C04
UNITED STATES
GOVFRNMENT PRINTING OFFICE
WASHINGTON: 1931