B31D 3/0261
By applying longitudinal adhesive strips to the web and zig-zag folding the
Official title: {by applying longitudinal adhesive strips to the web and zig-zag folding the strips transversely}
B31D3/0261 (By applying longitudinal adhesive strips to the web and zig-zag folding the) appears on 1 US grants and 1 published applications in this corpus.
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- 5 Jan 2021
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