TY  - BOOK
ED  - United States.
TI  - 1977 census of manufactures: medical instruments; opthalmic goods; photographic equipment; clocks; and watchcases
U1  - 338.47670973021 
PY  - 1980///
CY  - Washington, D.C.
PB  - U.S. Department of Commerce, Bureau of the Census, For sale by Supt. of Docs., U.S. G.P.O.
KW  - manufactures
KW  - United States
KW  - Statistics
KW  - Commercial products
N1  - Issued June 1980
ER  -