US PATENT SUBCLASS 396 / 526
.~.~.~.~ Double holder

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
511  DF  .~ Detachable or removable film holder unit {2}
517  DF  .~.~ Plate or cut film holder {8}
524  DF  .~.~.~ Having dark slide {2}
526.~.~.~.~ Double holder

DEFINITION

Classification: 396/526

Double holder:

(under subclass 524) Subject matter wherein two plates, sheets or light sensitive materials are supported so as to be parallel but facing in opposite directions.