DK48655C
(en )
1934-04-23
Method and Device for Making White Cement.
DK49042C
(en )
1934-07-23
Building elements and method and machine for making such.
DK52566C
(en )
1937-01-11
Method for Making White Cement Clinker.
DK48313C
(en )
1934-01-29
White Cement Manufacturing Device.
DK48806C
(en )
1934-05-28
Method and Machine for Stamping White Lime.
DK56158C
(en )
1939-05-08
Clay Procedure and Apparatus.
DK52545C
(en )
1937-01-11
Method and Machine for Forming Glass Plates.
DK47241C
(en )
1933-04-18
Method and Machine for Making Wraps.
DK52255C
(en )
1936-10-05
Method of Making Cement.
DK49859C
(en )
1935-02-11
Procedure and Device for Sealing Tombola Lots.
CH167411A
(en )
1934-02-28
Building block.
DK49432C
(en )
1934-10-22
Procedure and Apparatus for the manufacture of Portland cement and earthenware cement.
DK50412C
(en )
1935-07-08
Method for Manufacturing Water Resistant Cement.
DK53102C
(en )
1937-05-18
Method and Machine for Manufacturing Concrete Pipes.
DK46671C
(en )
1932-12-27
Method and Device for Manufacturing Extended Cork.
DK50275C
(en )
1935-05-27
Procedure and Device for Manufacturing Ignition Cords.
DK53129C
(en )
1937-05-24
Method for the production of diazotypes and a suitable developer.
DK50017C
(en )
1935-03-18
Method for Preparing Asbestos Slate Made of Cement and Asbestos.
DK52285C
(en )
1936-10-05
Method and Apparatus for Making Ties.
DK49193C
(en )
1934-08-27
Procedure for Treatment of Cement Concrete.
GR3942B
(en )
1932-12-15
CEMENT MANUFACTURING METHOD.
DK50646C
(en )
1935-09-09
Procedure and Device for Manufacturing Concrete Castings Using Shocks.
ES129657A1
(en )
1933-04-01
White Portland cement manufacturing process.
DK51700C
(en )
1936-06-02
Method for Manufacturing Seamless Tiles and Slabs.
DK50621C
(en )
1935-09-02
Method for Manufacturing Concrete Roads.