Bellows type gas meter with parallel motion membrane control - has dual measurement chambers and flow-induced reciprocating bellows action coupled to oscillating shafts for integrating mechanism
DE4005908A1
Bellows gas meter membrane esp. for domestic meter - has ring region with strengthening rib for uncontrolled crease prevention
DE3821523A1
DEVICE FOR CONTINUOUSLY SEPARATING AND RECOVERING A SOLVENT FROM SOLVENT-CONTAINED EXHAUST AIR
DE3722387C1
Safety shut-off fitting for a gas conduit
DE3707163C1
Concertina-type gas meter
DE3707164C1
Concertina-type gas meter
DE3700822C1
Safety shut-off valve
DE3521410A1
TURBINE WHEEL COUNTER
DE3502971A1
Filter for purifying flowing gases
DE3414431C1
Bellows counter
CH659332A5
Pressure-regulating device
NL8203072A
Throttle belt device.
DE3123717A1
Pressure-regulating device for gas installations
DE3123718A1
Method of fastening a screw neck to a housing of tin-plated steel sheet
DE3117761A1
Pressure-regulating unit
DE3114359A1
Safety shut-down device
DE2813226A1
SHUT-OFF AND REGULATING VALVE
NL7708847A
Fire valve incorporated in gas main - has fusible solder holding spindle in central bush and sprung valve on spindle
DE2730847B1
Stepless friction ring transmission
DE2704961A1
Fire valve incorporated in gas main - has fusible solder holding spindle in central bush and sprung valve on spindle
