TOKYO, Feb 4 (Reuters) - Japan's government will begin restricting exports of advanced semiconductor manufacturing equipment to China in Spring after it amends a foreign exchange law to allow the change, Kyodo News reported on Saturday. The new regulation will not mention China specifically in a bid to reduce the risk of retaliation by Beijing, the report said, without saying where it obtained the information. The new regulation will not mention China specifically in a bid to reduce the risk of retaliation by Beijing, the report said, without saying where it obtained the information