DK50437C
(en )
1935-07-15
Device for protection of water meters and similar appliances mof Freezing.
FR749271A
(en )
1933-07-21
Connection device
FR734635A
(en )
1932-10-25
Tap
FR46502E
(en )
1936-07-09
Anti-aircraft protection device
DK51669C
(en )
1936-05-25
Apparatus for water meters and similar apparatus for protection against freezing.
DK47490C
(en )
1933-06-26
Pipe Insulation Device.
DK48315C
(en )
1934-01-29
Device for Removal, Demanding and Acidification of Water.
DK48271C
(en )
1934-01-15
Procedure for softening water and device therefor.
FR761867A
(en )
1934-03-28
Electro-warning device
FR41996E
(en )
1933-05-04
Aeromotor device
DK48630C
(en )
1934-04-16
Device for Assembly of Pipes.
FR737742A
(en )
1932-12-15
Tap
FR738324A
(en )
1932-12-23
Tap
DK51617C
(en )
1936-05-11
Telephone Alarm Device.
DK49859C
(en )
1935-02-11
Procedure and Device for Sealing Tombola Lots.
DK48227C
(en )
1934-01-02
Device for Connecting Gas Meters to Two Pipelines.
DK46188C
(en )
1932-09-12
Liquid Diversion Device.
FR757894A
(en )
1934-01-05
Time coupling device
DK51310C
(en )
1936-02-24
Procedure for the Generation of Cold and Facilities for the Exercise of the Procedure.
FR733724A
(en )
1932-10-10
Meter tap device
DK48365C
(en )
1934-02-12
Automatic meters for Gas, Water and the like.
DK48772C
(en )
1934-05-22
Procedure and device for measuring the manufacture of garments.
FR42784E
(en )
1933-10-10
Gas protection device
FR745987A
(en )
1933-05-20
Gas protection device
ES126965A1
(en )
1932-07-16
Improvements in the devices of the hydrants.