diff --git a/brukeropusreader/block_data.py b/brukeropusreader/block_data.py
index 1e7ee51..19c97d1 100644
--- a/brukeropusreader/block_data.py
+++ b/brukeropusreader/block_data.py
@@ -19,17 +19,22 @@ class UnknownBlockType(Exception):
     },
 )
 
-BLOCK_7 = {4: "ScSm", 8: "IgSm", 12: "PhSm"}
+BLOCK_7 = {4: "ScSm", 8: "IgSm", 12: "PhSm", 132: "ScSm_(1)", 136: "IgSm_(1)"}
 
-BLOCK_11 = {4: "ScRf", 8: "IgRf"}
+BLOCK_11 = {4: "ScRf", 8: "IgRf", 132: "ScRf_(1)", 136: "IgRf_(1)" }
 
 BLOCK_23 = {
     4: "ScSm Data Parameter",
     8: "IgSm Data Parameter",
     12: "PhSm Data Parameter",
+    132: "ScSm_(1) Data Parameter",
+    136: "IgSm_(1) Data Parameter"
 }
 
-BLOCK_27 = {4: "ScRf Data Parameter", 8: "IgRf Data Parameter"}
+BLOCK_27 = {4: "ScRf Data Parameter",
+            8: "IgRf Data Parameter",
+            132: "ScRf_(1) Data Parameter",
+            136: "IgRf_(1) Data Parameter"}
 
 DIFFERENT_BLOCKS = {
     31: "AB Data Parameter",