BM20B-SHLDS-G-TFT (LF)(SN) BM20B-SHLDS-G-TFT(LF)(SN) BM20B-SHLDS-G-TFT(LF)(SN)- BM20B-SRDS-A-G-TEC BM20B-SRDS-A-G-TF BM20B-SRDS-A-G-TF (LF)(SN) BM20B-SRDS-A-G-TF(LF)(SN) BM20B-SRDS-A-G-TFC BM20B-SRDS-A-G-TFC(LF)(SN BM20B-SRDS-A-G-TFC(LF)(SN)