Hello,
Maybe you can use the "eCATT" tools to do it in a batch input.
For more about "eCATT" tools, please check the following Tutorial.
http://help.sap.com/saphelp_nw73ehp1/helpdata/en/fd/4f6b3f3d643b3be10000000a114084/content.htm
Maybe LSMW tools also can help.
http://help.sap.com/saphelp_nw73ehp1/helpdata/en/4d/ad818a3a3d1d0de10000000a42189b/content.htm
Best regards,
Shuai Liang