CH138728A
(en )
1930-03-15
Device to prevent the entanglement of cords, ropes, electrical lines etc.
FR690080A
(en )
1930-09-16
Submarine telephone cable, including ocean cable
CH136887A
(en )
1929-12-15
Stranded rope.
SU20858A1
(en )
1931-05-31
The way to cheek trees
SU19498A1
(en )
1931-02-28
The method of communication crimp kotonizirovannogo fiber
SU5467A1
(en )
1928-05-31
Stranded protection device
FR663182A
(en )
1929-08-17
Device to prevent the cords of telephone headphones, electric lights, etc. from being wound around themselves.
CH151051A
(en )
1931-11-30
Device at the suspension points of electrical overhead lines.
AT121046B
(en )
1931-01-26
Device for self-ventilation of feed water and the like like
CA289893A
(en )
1929-05-28
Rope halter
ES115913A3
(en )
1930-03-16
Multiple electrical cable.
DK40777C
(en )
1929-09-16
Cross-talk-free Telephone cable.
AT126888B
(en )
1932-02-25
Cable termination.
ES113668A1
(en )
1929-08-01
An electric hoist.
DK42054C
(en )
1930-04-14
Deep sea cable.
CH130541A
(en )
1928-12-15
Lead cable.
CA288111A
(en )
1929-03-19
Rope
CH138417A
(en )
1930-02-28
Device for regulating AC power lines.
CA279735A
(en )
1928-05-01
Wire rope
ES111618A1
(en )
1929-05-01
Means against the moth.
CA294194A
(en )
1929-10-29
Clothes horse
AT126869B
(en )
1932-02-25
Device to prevent cable mass from escaping from multi-conductor cables.
FR699164A
(en )
1931-02-11
Telephone or telegraph cable
DK38266C
(en )
1927-12-19
Telephone cord with three conductors.
FR700299A
(en )
1931-02-26
Charged telephone or telegraph cable, including submarine cable