Constant humidity evaporative wicking filter humidifier

Constant vacuum type carburetor

Constant velocity carburetor with variable venturi slide having

Constant-rate volatile material dispensing device

Constant-rate volatile material dispensing device

Construction of a fuel supply pipe in a rotary throttle valve ty

Container for liquid metal organic compound

Container for liquid oil of energy

Contractible portable humidifier

Control arrangement for mixture compressing combustion engines

Control device for acceleration pump

Control for evaporative cooling apparatus

Control for evaporative cooling apparatus with convex flare...

Control means for secondary throttle

Control mechanism for a carburetor

Control mechanism for a carburetor

Control membrane for a carburetor

Control system for an absorption column

Control system for choke valve of carburetor

Control system for humidifiers