Althenpohl & Pilgram GmbH

AP 20 & 20-1/2

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German Utility Patent - 1934

Altenpohl & Pilgram G.m.b.H. 1934/1935

Althenpohl & Pilgram AP 20-1/2

compared with Regal Regeliter

Althenpohl & Pilgram AP 20-1/2

compared with Regal Regeliter