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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
B29D5/00—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners
B29D5/02—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners the fasteners having separate interlocking members
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FR920322D1945-01-191946-01-18
Method and apparatus for the manufacture of zippers
ExpiredFR920322A
(en)