Matches in Library of Congress for { <http://lccn.loc.gov/81183639> ?p ?o. }
Showing items 1 to 20 of
20
with 100 items per page.
- 81183639 alternative "Recorders.".
- 81183639 alternative "U.S. patent digest, 1979, class 346.".
- 81183639 alternative "US patent digest, 1979, class 346.".
- 81183639 contributor B4068901.
- 81183639 created "c1981.".
- 81183639 date "1981".
- 81183639 date "c1981.".
- 81183639 dateCopyrighted "c1981.".
- 81183639 extent "iii, 133 p. :".
- 81183639 issued "1981".
- 81183639 issued "c1981.".
- 81183639 language "eng".
- 81183639 publisher "Needham Heights, Mass. (Post Office Box 55, Needham Heights 02194) : Boston Patent Co.,".
- 81183639 spatial "United States.".
- 81183639 subject "681/.2/0272 19".
- 81183639 subject "Patents United States.".
- 81183639 subject "Recording instruments Patents.".
- 81183639 subject "TK393 .U54".
- 81183639 title "United States patent digest, 1979, class 346 : recorders.".
- 81183639 type "text".