The number of convolutions is based upon EJMA design formulas for bellows.
US Bellows is a Standards Subscriber | Exp: Dec 31, 2026 | See ejma.org to check verification process
Celebrating over 20 years of EJMA membership
US Bellows is a Standards Subscriber | Exp: Dec 31, 2026 | See ejma.org to check verification process
Celebrating over 20 years of EJMA membership
The number of convolutions is based upon EJMA design formulas for bellows.
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