TY  - BOOK
AU  - Schmid,Werner
TI  - Patentübersicht Kontrolluhren Deutsches Reich
PY  - 2001///]
CY  - [Stuttgart]
PB  - [Werner Schmid]
KW  - Time clocks
KW  - Germany
KW  - Patents
KW  - Clocks and watches
KW  - History
KW  - List
KW  - Patent
KW  - Time recorder
ER  -