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| 302501524 | Dec 2012 | CN |
| 302449973 | Jun 2013 | CN |
| 305247644 | Jul 2019 | CN |
| 306389126 | Mar 2021 | CN |
| 307456211 | Apr 2022 | CN |
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| Entry |
|---|
| Amazon, Folding Box Spring, Jun. 3, 2015 https://www.amazon.com/Mattress-Foundation-structure-assembly-required/product-reviews/B00X6HZ932/ref=cm_cr_arp_d_viewopt_mdrvw?ie=UTF8&reviewerType=all_reviews&mediaType=media_reviews_only&pageNumber=1 (Year: 2015). |
| Youtube, Simple Life Foundation Setup fold open box spring, 2014 https://www.youtube.com/watch?v=u-sFY5Nqpcs (Year: 2014). |
| Zinus, “No Assembly 9″ Metal Box Spring”, first avail Jan. 15, 2015 https://www.amazon.ca/Mattress-Foundation-structure-assembly-required/dp/B0077UCFXG/ref=sr_1_25?crid=29XY0ROU97L9K&keywords=folding%2Bbed%2Bbox%2Bspring&qid=1689273160&sprefix=folding%2Bbed%2Bbox%2Bspring%2Caps%2C125&sr=8-25&t (Year: 2015). |
| LukLoy, “Fence Bracket”, first available Aug. 9, 2020 https://www.amazon.ca/Bracket-Repair-Brackets-Hanger-Galvanized/dp/B08BZ6SCRD/ref=sr_1_31?crid=U7M6M8D7DWVW&keywords=framing+bracket&qid=1689274813&sprefix=framing+bracket%2Caps%2C92&sr=8-31 (Year: 2020). |
| Simpson, “Strong Tie Joist Hanger”, first av Sep. 11, 2014 https://www.amazon.ca/dp/B003B6HQDE/ref=sspa_dk_detail_1?pd_rd_i=B003B6HQDE&pd_rd_w=OC9T0&content-id=amzn1.sym.d8c43617-c625-45bd-a63f-ad8715c2c055&pf_rd_p=d8c43617-c625-45bd-a63f-ad8715c2c055&pf_rd_r=Q0XT4W3JZRZW8NM1122J&pd_rd_wg=LiS7N&pd (Year: 2014). |