CH54439A
(en )
1912-06-01
Method for the production of a reinforced concrete hollow wall
CH67057A
(en )
1914-11-02
Process for the production of a hollow ceiling from reinforced concrete
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH49081A
(en )
1911-01-02
Process for the production of reinforced concrete floors
CH74414A
(en )
1917-02-16
Process for the production of a demountable, reinforced concrete dry hollow wall construction for building and civil engineering
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH58846A
(en )
1913-04-01
Process for the production of railings from reinforced concrete
CH57989A
(en )
1913-02-17
Method of making a paint
CH60707A
(en )
1913-08-01
Process for the production of a construction from reinforced concrete which imitates a wooden structure
CH48314A
(en )
1910-10-01
Process for the production of a weather-resistant plaster
CH63492A
(en )
1914-02-02
Method of making a hollow ceiling on wooden beams
CH52023A
(en )
1911-10-02
Process for the production of a tannin-silver-protein compound
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH62274A
(en )
1913-11-17
Process for the production of hollow bodies from concrete
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH54606A
(en )
1912-06-01
Process for the preparation of a new nitrooxytolylarsinic acid
CH50303A
(en )
1911-05-16
Process for the preparation of a dimethylphenylbenzylammonium disulfonic acid
CH50302A
(en )
1911-05-16
Process for the preparation of a dimethylphenylbenzylammonium disulfonic acid
CH50159A
(en )
1911-05-01
Process for the preparation of a dimethylphenylbenzylammonium disulfonic acid
CH64878A
(en )
1914-05-01
Method of making a waterproof mortar
CH53962A
(en )
1912-04-16
Process for the preparation of a bromonaphthalene-1-diazo-2-oxide-4-sulfonic acid
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH49902A
(en )
1911-04-01
Process for the preparation of a dimethylphenylbenzylammonium sulfonic acid
CH74594A
(en )
1917-08-01
Process for the production of a filling compound for building purposes and vessels
CH64160A
(en )
1914-03-16
Process for the production of a waterproof cement