|
CA998595A
|
|
Magnetic tray device for fanning file system
|
|
US3881597A
|
|
Portable microfilm holder
|
|
CA986804A
|
|
Magnetic tray device for fanning filing system
|
|
US3705464A
|
|
Microfilm holder
|
|
US3628269A
|
|
Magnetic card index
|
|
US3690753A
|
|
Data storage system
|
|
US3586593A
|
|
Magnetically actuatable business machine card
|
|
US3465460A
|
|
File structure
|
|
US3477567A
|
|
File container assembly
|
|
US3446160A
|
|
File container
|
|
US3526562A
|
|
Magnetically actuatable business machine card,method of making the same and apparatus therefor
|
|
US3455770A
|
|
Magnetic index cards and method for producing same
|
|
CA868504A
|
|
Card file
|
|
CA893270A
|
|
Magnetic index cards and method for producing same
|
