AT173155B
(en )
1952-11-25
Gate valve for gas pipes etc. like
CH291999A
(en )
1953-07-31
Reinforcement insert for reinforced concrete.
AT174261B
(en )
1953-03-10
Reinforcement for pipe branch pieces, for example for so-called Y-pipes od. Pipe fittings
CH273783A
(en )
1951-02-28
Quick coupling for pipes or hoses.
CH280652A
(en )
1952-01-31
Selective network, especially for bridge-stabilized oscillators.
CH307463A
(en )
1955-05-31
Waveguides, in particular for traveling wave tubes.
AT169664B
(en )
1951-12-10
Combination lock, especially for bicycles
CH263385A
(en )
1949-08-31
Coupling for pipelines.
AT180041B
(en )
1954-10-25
Pipe cutter, in particular for asbestos-cement pipes
CH278077A
(en )
1951-09-30
Pipe clamps.
CH252050A
(en )
1947-11-30
Fast unloaders, especially for route gravel.
AT187361B
(en )
1956-10-25
Connection for butt-abutting, threadless pipes
AT189678B
(en )
1957-04-25
End sleeve, especially for pipelines
ES15331Y
(en )
1949-07-01
Reinforcement for pipe branching places.
AT169959B
(en )
1951-12-27
Quick coupling for pipes or similar lines
AT172201B
(en )
1952-08-25
Easily detachable connection, especially for pipes
AT171621B
(en )
1952-06-25
Drain valve for cisterns etc. like
AT186592B
(en )
1956-08-25
Expansion in ring or arch form, especially for mine sections
AT175094B
(en )
1953-06-10
Pen partition, especially for pig stalls
AT185738B
(en )
1956-05-25
Steel link belt for increasing conveyance, especially for underground operation
AT189359B
(en )
1957-03-25
Tubular section boiler, especially for higher pressures
ES23424Y
(en )
1951-01-01
Machine for the manufacture of reinforced cement pipes.
AT171959B
(en )
1952-07-25
Fitting for pipe connections
AT188744B
(en )
1957-02-11
Line coupling, especially for stationary heating line connection
AT176147B
(en )
1953-09-25
Combination lock, especially for bicycles