DK45840C
(en )
1932-06-27
Registry converter for fully or semi-automatic Telephone Systems.
DK45984C
(en )
1932-07-25
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK46218C
(en )
1932-09-19
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK45469C
(en )
1932-03-29
Device for fully or semi-automatic Telephone Systems.
DK46755C
(en )
1933-01-09
Fully or semi-automatic Telephone System.
DK41152C
(en )
1929-11-25
Selector for fully or semi-automatic Telephone Systems.
DK45907C
(en )
1932-07-11
Circuit arrangement for fully and semi-automatic Telephone Systems.
DK45470C
(en )
1932-03-29
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK45973C
(en )
1932-07-25
Register for fully or semi-automatic Telephone Systems.
DK45091C
(en )
1932-01-11
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK46162C
(en )
1932-09-05
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK46766C
(en )
1933-01-16
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK45439C
(en )
1932-03-21
Circuit arrangement for fully or semi-automatic Telephone systems.
DK45974C
(en )
1932-07-25
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK45983C
(en )
1932-07-25
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK41793C
(en )
1930-03-10
Selector for automatic Telephone Systems.
AT126867B
(en )
1932-02-25
Automatic telephone system.
DK46338C
(en )
1932-10-17
Automatic or semi-automatic Telephone System.
DK45164C
(en )
1932-02-01
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK45641C
(en )
1932-05-09
Circuit arrangement for fully or semi-automatic Telephone Systems.
DK47425C
(en )
1933-06-12
Circuit arrangement for fully or semi-automatic Telephone Systems.
GR1383B
(en )
1926-12-31
AUTOMATIC TELEPHONE SYSTEMS.
GR1446B
(en )
1927-03-09
AUTOMATIC TELEPHONE SYSTEM.
DK44254C
(en )
1931-06-22
Telephone cable for Firtraadsdrift.
DK45358C
(en )
1932-03-07
Automatic or semi-automatic Telephone System.