POSITIVELY CHARGED FILTER MATERIAL WITH ABILITY FOR REMOVING CHARGED PARTICLES EFFICIENTLY, AND METHOD FOR PRODUCING SAME

Binder-consolidated textile fabrics and methods of their manufacture and use

DURABLE FIBER WEBS

Filter element

Method of conserving irrigation water using a woven fabric substrate

Electret and electret filter

Textile protective material of a new type and method for producing same

Electrode and process for preparing the electrode and devices thereof