CH353182A
(en )
1961-03-31
Sound absorbing sheet, process for its manufacture and use of such sound absorbing sheets
CH316088A
(en )
1956-09-30
Compressed wood panel and process for its manufacture
AT188906B
(en )
1957-03-25
Process for the production of laminated foams
AT191139B
(en )
1957-08-10
Building block and process for its production
AT179405B
(en )
1954-08-25
Precast wall and process for its manufacture
FR1136944A
(en )
1957-05-21
Acoustic panels
CH333170A
(en )
1958-10-15
Process for the production of lead azide
AT193589B
(en )
1957-11-25
Component and process for its manufacture
CH340382A
(en )
1959-08-15
Layered vibration damper and method of manufacturing it
AT174464B
(en )
1953-04-10
Formwork-free prefabricated ceiling and process for its production
CH305455A
(en )
1955-02-28
Resin transducer and process for its manufacture.
CH336576A
(en )
1959-02-28
Building wall and process for their manufacture
AT177177B
(en )
1954-01-11
Spacer plate for accumulators and process for their manufacture
AT179761B
(en )
1954-10-11
Weather flute and process for their manufacture
AT180983B
(en )
1955-02-10
Commutator segments and processes for their manufacture
AT181412B
(en )
1955-03-25
Circular plate and process for its manufacture
CH319758A
(en )
1957-02-28
Supply cathode and process for their manufacture
AT177593B
(en )
1954-02-10
Artificial honeycomb and process for their manufacture
AT187783B
(en )
1956-11-26
Method and device for the production of sound recordings for electro-acoustic bells
AT186643B
(en )
1956-08-25
Process for the production of acylated ureas
AT182516B
(en )
1955-07-11
Reinforced concrete beam and process for its manufacture
CH312548A
(en )
1956-01-15
Coating material and process for its manufacture
CH329735A
(en )
1958-05-15
Process for the production of foams
AT176000B
(en )
1953-09-10
Wood wool building board and process for their manufacture
AT193042B
(en )
1957-11-25
Fire retardants and processes for their manufacture