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Class Information
Number: 156/90
Name: Adhesive bonding and miscellaneous chemical manufacture > Methods > Surface bonding and/or assembly therefor > Utilizing layer to prevent migration or bleeding between laminae
Description: Processes which includes the step of providing at least one lamina with a material to prevent exudation or flowing of an ingredient from one lamina into contact with another lamina.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
3940523 Decorative multilayer object Feb. 24, 1976

1 2 3

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