B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D19/00—Producing buttons or semi-finished parts of buttons
B29D19/04—Producing buttons or semi-finished parts of buttons by cutting, milling, turning, stamping, or perforating moulded parts; Surface treatment of buttons
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Agricultural Chemicals And Associated Chemicals
(AREA)