TY  - BOOK
ED  - Haouse of Representatives <Washington>
TI  - Hearings berfore the committee of patents: patent bills ; 74. Congress, 1. session … 1935
PY  - 1935///
CY  - Washington: 
PB  - U.S. Govern. Print. Off., 
KW  - Patentwesen
KW  - USA
ER  -