CH250383A
(en )
1947-08-31
Means for removing heavy metal compounds.
DK67809C
(en )
1948-10-18
Apparatus for Use in Purifying Pipes.
DK69715C
(en )
1949-08-01
Apparatus for use in stopping.
DK69745C
(en )
1949-08-08
Apparatus for use in stopping.
DK68555C
(en )
1949-02-14
Apparatus for use in masonry of corners.
DK69294C
(en )
1949-05-30
Apparatus for cleaning drainage pipes.
FR1004443A
(en )
1952-03-31
Improvements made to piping elements, in particular for flue pipes
DK74459C
(en )
1952-07-21
Continuous process for saponification of fats and apparatus for use in the process.
DK71205C
(en )
1950-07-03
Apparatus for closing tubes.
DK74301C
(en )
1952-06-16
Apparatus for use in underpassing railway sleepers.
DK70587C
(en )
1950-02-06
Apparatus for measuring surface areas.
DK68036C
(en )
1948-11-29
Apparatus for pulling out bow leaves.
FR933198A
(en )
1948-04-13
How the edges are made for skis
DK71059C
(en )
1950-05-30
Clamp for use in winding hair.
DK64165C
(en )
1945-12-10
Apparatus for cleaning drainage pipes.
DK70525C
(en )
1950-01-23
Flat knitting method and apparatus for performing the method.
DK74529C
(en )
1952-08-04
Method for wastewater treatment.
DK80156C
(en )
1955-11-21
Apparatus for amplifying centimeter waves.
DK74508C
(en )
1952-08-04
Apparatus for emptying compressible tubes, in particular for use in duplicators.
ES16446Y
(en )
1948-05-16
Removable perfected pipe.
DK76776C
(en )
1953-12-07
Waste treatment apparatus.
DK74150C
(en )
1952-05-12
Apparatus for use in the first arithmetic instruction.
DK71462C
(en )
1950-09-11
Method and apparatus for providing perforated sheet material as well as sheet material for use in the method.
FI22750A
(en )
1948-03-12
Elektrisk apparat med järnkärna, exempelvis transformator
DK64367C
(en )
1946-03-25
Apparatus for the Use of Photographic Copies, in particular Slides.