Assertion: valve's structure | /r/HasProperty | modified
Facets:
Source sentences:
text: As shown in Figure 3, the principal structure may be modified to produce an alternate structure 65 wherein rod 43 is duplicated as rod 43a on the opposite end of the rod 37, both of said rods 43 and 43a being larger than the diameter of the rod 37 but preferably less than the diameter of the hubs 33a and 27a.