US PATENT SUBCLASS 156 / 347
.~ With surface deformation means

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

346  DF  PLASTER BOARD MAKING APPARATUS {2}
347.~ With surface deformation means

DEFINITION

Classification: 156/347

(under subclass 346) Apparatus having means to alter the configuration of the face of the formed sheet.

(1) Note. In this subclass may be found apparatus for forming and perforating the face of the sheet, indenting the

face of the sheet, etc..