TREA

Ungerer nee Dollinger; Irma

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  • Pforzheim, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Machine for flattening sheet metal
    • Patent number 4,089,197
    • Issue date May 16, 1978
    • Ungerer nee Dollinger; Irma
    • Josef Ihle
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...