Hanoi, Sept. 30 -- The Ministry of Science and Technology is stepping up efforts to eliminate mobile signal dead zones and improve weak-signal coverage in 273 villages, the ministry said at its regular monthly press briefing on September 30 in Hanoi. The ministry announced that in October it will work to complete four draft laws: the law amending and supplementing several articles of the Law on Metrology, the revised Law on Post, the law amending and supplementing several articles of the Law on Intellectual Property, and the law amending and supplementing several articles of the Law on Science, Technology and Innovation. It will also wrap up a decree that amends and supplements five existing decrees related to the implementation of the La...