Subgrupo 720 - Telégrafo
Reference code
BR MTAPMT COL-700-720
Level of description
Subgrupo
Immediate source of acquisition or transfer
Appraisal, destruction and scheduling
Conditions governing access
Conditions governing reproduction
Language and script notes
Physical characteristics and technical requirements
Existence and location of originals
Existence and location of copies
Related units of description
Alternative identifier(s)
Rules and/or conventions used
Dates of creation revision deletion