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DK21126C
(en)
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Connection device for Wire Detectors in automatic or semi-automatic Telephone systems.
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GB191215072A
(en)
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|
Improvements in or relating to Telephone Systems.
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|
GB191110926A
(en)
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|
Improvements in or relating to Telephone Systems.
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|
NL3846C
(en)
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|
Automatic telephone system
|
|
NL5179C
(en)
|
|
Automatic telephone system
|
|
GB191302397A
(en)
|
|
Improvements in Telephone Systems.
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|
DK16820C
(en)
|
|
Telephone system selector.
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DK20075C
(en)
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Connecting device for Part subscribers in Telephone systems.
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DK34938C
(en)
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|
Telephone system.
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|
AU711B
(en)
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|
Improvements in or relating to automatic telephoneexchanges for double wire telephone systems
|
|
AT82883B
(en)
|
|
Automatic telephone system.
|
|
GB104640A
(en)
|
|
Improvements in or relating to Automatic Telephone Systems.
|
|
GB104164A
(en)
|
|
Improvements in or relating to Automatic Telephone Systems.
|
|
DK20370C
(en)
|
|
Telephone exchange system.
|
|
DK19678C
(en)
|
|
Telephone system.
|
|
ES52017A1
(en)
|
|
Improvements in telephone transmissions.
|
|
DK17025C
(en)
|
|
Connecting device for semi-automatic Telephone systems.
|
|
DK17874C
(en)
|
|
Connecting device for semi-automatic Telephone systems.
|
|
AT82822B
(en)
|
|
Telephone switching system.
|
|
FI4541A
(en)
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|
For example, the connection to the thermal telephone system
|
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GB191301049A
(en)
|
|
An Improvement relating to Telephony and the like Systems.
|
|
DK18997C
(en)
|
|
Telephone system.
|
|
DK22593C
(en)
|
|
Telephone system.
|
|
ES54140A1
(en)
|
|
Lemon tree.
|
|
ES51937A1
(en)
|
|
Improvements in telephone receivers.
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