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Class Information
Number: 137/333
Name: Fluid handling > Non-valving motion of the valve or valve seat > Rotary motion of a reciprocating valve > Manual rotating means
Description: Apparatus in which a manual actuator is provided for rotating the valve.










Patents under this class:

Patent Number Title Of Patent Date Issued
4589439 Fire apparatus valve May. 20, 1986
4292991 Erosion resistant valve Oct. 6, 1981











 
 
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