BANGKOK, July 10 (Reuters) - Thailand's Labour Court on Friday accepted a petition from three Thai sailors seeking damages after a deadly attack on their cargo vessel in the Strait of Hormuz in March, during the U.S.-Israeli war on Iran, their lawyer said. The petition, seen by Reuters, seeks damages of at least 1 million baht ($30,000) for each sailor from companies and agencies linked to the vessel owner, Precious Shipping, and its captain.