B - Operations – Transporting – 21 – D
Inventor
B - Operations, Transporting
21
D
Inventor
Adjustable die and punch for metal fastening machines
Interlocking joint
Locking joint manufacture
Method and means of interlocking over-lapping sheet material
Adjustable die and punch for metal fastening machines
Interlocking joint
Locking joint manufacture
Method and means of interlocking over-lapping sheet material
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