|
US2578413A
|
|
Pressure roller bending device for duplicating machines
|
|
US2482408A
|
|
Master sheet change mechanism for duplicating machines
|
|
US2542277A
|
|
Pressure roller adjusting means for duplicating machines
|
|
US2615714A
|
|
Sheet receiver for duplicating machines
|
|
US2537125A
|
|
Combined feed tray and moistening device for duplicating machines
|
|
US2527181A
|
|
Liquid feeding means
|
|
US2530426A
|
|
Moisture control device for duplicating machines
|
|
US2491369A
|
|
Line printing device for duplicating machines
|
|
US2491368A
|
|
Moisture control means for duplicating machines
|
|
US2399175A
|
|
Duplicating machine
|
|
US2399176A
|
|
Duplicating machine
|
|
US2418341A
|
|
Duplicating machine
|
|
US2398888A
|
|
Duplicating machine
|
|
US2424534A
|
|
Moistening device for duplicating machines
|
|
US2380744A
|
|
Duplicating machine
|
|
US2345335A
|
|
Duplicating machine
|
|
US2313633A
|
|
Mechanism for producing step by step motion
|
|
US2362895A
|
|
Duplicating machine
|
|
US2337808A
|
|
Duplicating machine
|
|
US2286402A
|
|
Duplicating machine
|
