The papermaking sheet member includes inorganic fibers, and the inorganic fibers include a lump-shaped cohered fiber which coheres as a lump....http://www.google.es/patents/US8157963?utm_source=gb-gplus-sharePatente US8157963 - Sheet member and manufacturing method of the same, and exhaust gas processing device
Sheet member and manufacturing method of the same, and exhaust gas ...