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Publication of LU38773A1publicationCriticalpatent/LU38773A1/xx
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
B29D5/04—Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners the interlocking members being formed by continuous meander of filamentary material