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  • F16K37/00
    		•  Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given HB CC 3H065
  • F16K37/00@A
    		•  Valves with indicating means for valve travel and open/close state (including mechanical means other than the indicating member with direct actuating or rotary actuating types) HB CC 3H065
  • F16K37/00@B
    		•  .By mechanical means (indicating member with direct actuating type ) HB CC 3H065
  • F16K37/00@C
    		•  .By mechanical means (indicating member with rotary actuating type ) HB CC 3H065
  • F16K37/00@D
    		•  .By electric or magnetic means HB CC 3H065
  • F16K37/00@E
    		•  ..With optical means HB CC 3H065
  • F16K37/00@F
    		•  Employing valves with means for detecting abnormal state, supervision and generating alarm sound of the valve discs HB CC 3H065
  • F16K37/00@G
    		•  .Means for detecting valve leaks HB CC 3H065
  • F16K37/00@H
    		•  Employing valves with means for sensing and indicating temperature HB CC 3H065
  • F16K37/00@J
    		•  Employing valves with means for sensing and indicating pressure HB CC 3H065
  • F16K37/00@K
    		•  Employing valves with means for indicating operation support HB CC 3H065
  • F16K37/00@L
    		•  Employing valves with means for sensing gas leaks HB CC 3H065
  • F16K37/00@M
    		•  Employing valves with other means to detect and indicate HB CC 3H065
  • F16K37/00@Z
    		•  Others HB CC 3H065
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