TY  - BOOK
ED  - Great Britain, Board of Trade
TI  - Patents and designs acts: final report of the department committee
U1  - 608.742 
PY  - 1947///.
CY  - London: 
PB  - H.M.S.O., 
KW  - Patents
KW  - Πατέντες
KW  - Μεγάλη Βρετανία
KW  - Αποικίες
KW  - Great Britain
KW  - Colonies
KW  - History
ER  -