DK38936C
(en )
1928-07-02
Magnetic alloys, especially for use in the manufacture of telegraph and telephone cables.
DK39833C
(en )
1929-02-25
Magnetic alloy, especially for use in the manufacture of telegraph and telephone cables.
ES102556A1
(en )
1927-06-16
Perfections in magnetic alloys used in the manufacture of telegraph and telephone cables.
DK38547C
(en )
1928-03-12
Alloys for use in the manufacture of electrical conductors.
DK39832C
(en )
1929-02-25
Alloy for Loading Telephone and Telegraph Cables.
DK40466C
(en )
1929-07-15
Quaternary Alloy for Load Material for Telegraph and Telephone Cables.
DK36954C
(en )
1926-12-27
Procedure for Reducing Cross Speech in Telephone Cables and Metal Cases for Carrying Out the Procedure.
DK39297C
(en )
1928-09-24
Alloy for the manufacture of load wires and the like for telephone lines.
DK48230C
(en )
1934-01-02
Ternær Iron Nickel Alloy with High Initial Permeability and Procedure for Treating Said Alloy.
DK44573C
(en )
1931-09-07
Device for Butter Cores, Buckets and the like.
DK45761C
(en )
1932-06-06
Packing for the Hair Windings in the Production of Permanent Waves.
DK45473C
(en )
1932-03-29
Pre-alloy for use in the manufacture of copper alloys and the method of making them.
DK37985C
(en )
1927-09-26
Procedure for Telephone Music Transfer.
DK35309C
(en )
1925-11-23
Procedure for Processing Alloys Containing Copper and Iron.
ES103113A1
(en )
1927-07-16
An improvement in the metal boxes of derivation and connection of general lines, in electrical installations.
ES115006A1
(en )
1930-01-01
IMPROVEMENTS IN THE MANUFACTURE OF TELEGRAPH AND TELEPHONE CABLES.
DK39558C
(en )
1928-12-03
Procedure for Abolition of Cross Speech in Telephone Cables.
DK38295C
(en )
1927-12-27
Magnetic Alloys.
DK38857C
(en )
1928-06-11
Device for terminating telephone cables and the like.
DK40659C
(en )
1929-08-19
Procedure for the manufacture of small boats, airplanes and the like.
DK38904C
(en )
1928-06-25
Telephone system.
DK44113C
(en )
1931-05-11
Telephone system.
GR1451B
(en )
1927-03-09
TELEPHONE SYSTEM.
DK39746C
(en )
1929-01-28
Procedure for the manufacture of hard porcelain, in particular for electrical insulators.
ES93130A1
(en )
1925-06-16
Improvements in the manufacture of cables and other telegraphic and telephone conductors.