FRMLS_DYNP_STD_SUB is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "RMS-FRM: Substance Spec. Screen Struct. for Standardization" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_FRMLS_DYNP_STD_SUB TYPE FRMLS_DYNP_STD_SUB.
The FRMLS_DYNP_STD_SUB table consists of various fields, each holding specific information or linking keys about RMS-FRM: Substance Spec. Screen Struct. for Standardization data available in SAP. These include SUBID (Substance), STREAM_ID (RMS-FRM: Object Identifier), SUB_TXT (Description of the Material, Substance, or Stream), ICONID (Input or Output Item)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .