The provisions of this article shall not be construed so as to require common-law mechanic's liens or repairman's liens, or the lien of an improver or bailee as provided in article eleven, chapter thirty-eight of the Code of West Virginia, 1931, as amended, to be shown on the certificate of title in order to preserve such liens against any purchaser for value or lien creditor who, in either case, without notice of such lien or encumbrance, purchases such vehicle or acquires by attachment, levy or otherwise a lien thereupon.