US PATENT SUBCLASS 396 / 585
.~.~.~.~ Roll film handling
Current as of:
June, 1999
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396 /
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PHOTOGRAPHY
564
DF
FLUID-TREATING APPARATUS
{18}
580
DF
.~ Treating superimposed or laminar sheets {3}
582
DF
.~.~ Having fluid dispensing {1}
583
DF
.~.~.~ Collapsible container {3}
585
.~.~.~.~ Roll film handling
DEFINITION
Classification: 396/585
Roll film handling:
(under subclass 583) Subject matter which includes manipulation of a photos:graphic medium which has been formed into a cylindrical mass by revolving.