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Hey!
The following is the requirement of our client:
Nominal body size 11/4, 21/2. 31/2, 5 or higher odd numbers shall not be used.
I would like to know why? I would like to know the history why they come up with this standardization.
The following is the requirement of our client:
Nominal body size 11/4, 21/2. 31/2, 5 or higher odd numbers shall not be used.
I would like to know why? I would like to know the history why they come up with this standardization.