TY  - BOOK
AU  - Stevenson,Douglas K.
TI  - Patent-nachrichten: patent listings in the Deutsche Uhrmacher-Zeitung 1877-1932 
PY  - 2003///
CY  - Essen, Germany
PB  - Ruhrei Verlag
KW  - Clocks and watches
KW  - Germany
KW  - Patents
KW  - 19th century
KW  - 20th century
KW  - Timekeeper (general)
KW  - Ruhrei
KW  - patent
KW  - Stevenson, Douglas K
KW  - NA/Other
N1  - Bd. 1. 1877-1909 -- Band 2. 1910-1932
ER  -