ASME <br/>
       20 degree involute time - pitch system [ASA B6.7-1956] 
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<br><U>Copy Details:</u><br> Acc. No.: <b>38015</b>, Full Call No.: ,   Item type:  Written-off , Location: , <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>