BERLIN (Reuters) - China is strategically buying up key technologies in Germany while protecting its own companies against foreign takeovers with "discriminatory requirements", German Economy Minister Sigmar Gabriel said on Saturday.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=gbJLOmNzdeI:WjEEDHDPeFU:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=gbJLOmNzdeI:WjEEDHDPeFU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=gbJLOmNzdeI:WjEEDHDPeFU:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=gbJLOmNzdeI:WjEEDHDPeFU:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=gbJLOmNzdeI:WjEEDHDPeFU:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/gbJLOmNzdeI" height="1" width="1" alt="" />