| http://www.w3.org/ns/prov#value | - Patent US6532688 - Lace tightening device having a pocket for storing a blocking element, and a ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA lace device for tightening or closing an article such as a boot upper, garment, or backpack including a lace and at least two series of at least one guide for said lace, the sub-assembly con
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