Laboratory test kit and method for preserving laboratory specime
Leak proof vial for microscope slides
Light and moisture resistant package
Light tight storage container
Light-sensitive material package
Light-tight carton for X-ray and other light sensitive film
Light-tight container
Light-tight film package
Light-tight package with perforated end disks
Lockable container for transporting and for storing semiconducto
Loose-leaf card holder adapted for holding cards therein